This page needs to be updated to refer to the latest PAC 2021 version
How to perform an accessibility check using PAC3
Upload your PDF in the PAC3 checker and select "Open".
PAC3 will display its report.
Click on "Results in Detail" to generate a detailed view.
The detailed area will help you identify where the errors reside in your document
Screenshot below:
The image below shows PAC3 displaying a report of a PDF. The red "X" mark indicates an error and the yellow sign indicates caution. 
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The image below shows the detailed view in PAC3 where you can drill down to where the errors reside in the document.
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