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Support Article

Accessibility: Provide alternative text for images (PDF)



When using the out-of-the-box (OOTB) HTMLtoPDF activity to produce a PDF within Pega 7, the images embedded in the resulting PDF files are not accessible even when the HTML source contains appropriate <title> and <alt> tags for accessibility.  

Error Messages

Not Applicable.

Steps to Reproduce

  1. Create an HTML rule containing an image with defined <alt> and <title> tags.
  2. Run the OOTB HTMLtoPDF activity with the create HTML rule.
  3. Observe through hover and when using a screen reader that the images do not contain the accessible content specified in the HTML.

Root Cause

A third-party product issue. This is a current limitation in the PD4ML library.


An enhancement request, FDBK-15367, has been created for consideration by Pega Product Management. 

Published May 23, 2016 - Updated October 8, 2020

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