Check if Document is Tagged
A Tagged PDF is a PDF file that contains additional metadata information around each of the content elements within the PDF. This information is used to help accessibility software like screen readers understand the document structure to present the information to the user in an understandable way.
For more information on tags in a PDF see Standard PDF Tags.
How to Check if a Document is Tagged
Use one of the following options to check if document is tagged.
PDF/UA Validation
Run the PDF/UA Validation tool in Xodo PDF Studio to verify the document is tagged correctly.
Document Properties
- Go to File Tab > Properties or using the shortcut keys Ctrl + D (⌘ + D on Mac).
- Click on the General Tab
- Make sure the Tagged PDF property in the bottom left column says Yes
Tags Panel
Access the Tags pane by clicking the 
Tags button on the left side of Xodo PDF Studio. Then confirm the following:
- There is a tag tree structure in the pane showing a logical order of page contents.
- Click on the
Options button and make sure the Document is Tagged PDF option is checked.