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How to Tag Bar Charts in Adobe Acrobat Pro DC Effectively

Adobe Acrobat Pro DC offers tools for making bar charts accessible. There are two main methods. One method tags the whole chart as a figure. The other tags are separate text elements. Both make your charts easier for Assistive Technology users.

Video Overview

Steps for Tagging Bar Charts in Adobe Acrobat Pro DC

Method 1: Individual Text Elements

Sometimes it simply makes more sense to tag all of the individual components as P tags.

  • Use the Reading Order Tool.
  • Select text, mark it as “Text Paragraph” (p tag).
  • For numbers, also mark as “Text Paragraph.”
  • For data labels, make them “Heading Level 2” or “3.”
  • Add ‘Actual Text’ for context in properties.
tagging labels and data as P tags

Example: For a bar showing 75% “Very Likely”, right-click p tag -> select properties -> add actual text “75% of respondents selected very likely.”

For a bar showing 75% "Very Likely", right-click p tag -> select properties -> add actual text "75% of respondents selected very likely."

Method 2: Tagging The Entire Chart as a Figure

In certain cases, you might find it easier to tag the entire chart as a single figure. Grab your Reading Order Tool and select the entire chart. Once selected, mark it as a “Figure” and provide alternate text that describes the data in detail. However, this method is less ideal for complex bar charts with multiple data points and categories. It’s more suited to simple, straightforward bar charts.

Additional Points to Consider:

  1. Color Contrast: If your bar chart uses colors, check that they have a sufficient contrast ratio to meet accessibility standards.
  2. Tag Order: Once you’ve tagged your elements, ensure they are in a logical reading order for Assistive Technology users.

With either method, the goal remains the same: making your bar chart accessible to as many people as possible, including those using Assistive Technology.

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Conclusion

Adobe Acrobat Pro DC offers the flexibility to make your bar charts accessible, whether they are simple or complex. By carefully tagging text elements or tagging the entire chart as a figure, you’re taking important steps toward making your content inclusive.

So, whether you have complex charts with numerous data points or simpler figures, you have the tools at your fingertips to make them accessible. Choose the method that works best for your specific needs and keep making strides in inclusivity.

Need more PDF help? Check out my other blog posts on PDF Accessibility.

How to tag references, footnotes, and end notes in Adobe Acrobat

At this time there is not clear guidance from WCAG on how to exactly tag references, footnotes, and end notes. This post and video aims to explore the best methods for tagging this content.

Video Overview

Instructional Guide

There are two separate components to tagging footnotes or endnotes.

The first part is the superscript number in the main body of the document. For footnotes, the second part is the note itself, which appears at the bottom of the page. Endnotes show up at the end of the document.

Implementing Reference Tags in Adobe Acrobat

The first step in adding footnotes and references in Adobe Acrobat is to create a reference tag. Contrary to what you might think, a span tag does not serve our purpose here. While span tags are visually useful, they don’t carry any real value in terms of accessibility.

To create a reference tag, right-click on the Tag, select Properties, and change it to a reference. Simple as that!

Linking References to Endnotes

Next, you should consider linking your footnotes to the corresponding endnotes. Although this is not a requirement, it significantly enhances the reader’s navigation through the document. To create this link, right-click the reference number and select Create Link. Under link action, choose Go to page view and select Next. Then, scroll down to your endnotes and click set link. This process creates a hyperlink that leads directly to the relevant spot in the document.

Three methods reference in video:

Method 1:

Apply alternate text that provides guidance on where the endnote or reference leads to. For instance, the alternate text could be “superscript one refers to endnote one on page two”. This alerts the screen reader user about what the reference or endnote signifies.

Apply alternate text that provides guidance on where the endnote or reference leads to. For instance, the alternate text could be "superscript one refers to endnote one on page two". This alerts the screen reader user about what the reference or endnote signifies.

Method 2:

Arrange the reading order so that the note is read directly after the reference. To do this, move the actual content of the note under the reference tag. In this arrangement, the paragraph is read first, followed by the reference, the note, and then the main content.

Arrange the reading order so that the note is read directly after the reference. To do this, move the actual content of the note under the reference tag. In this arrangement, the paragraph is read first, followed by the reference, the note, and then the main content.

Method 3:

Include the note’s content in the alternate text. For this, copy the note’s content and paste it onto the actual text field of the reference. The alternate text could then read “superscript one. [content of the note]”. After this, change the endnote content to an artifact and delete the tags.

Include the note's content in the alternate text. For this, copy the note's content and paste it onto the actual text field of the reference. The alternate text could then read "superscript one. [content of the note]". After this, change the endnote content to an artifact and delete the tags.

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