XFA forms (forms created with LiveCycle or AEM Form Designer), can be
created to be accessible but do not leverage tags in the PDF like static
PDF forms created with Acrobat. As XFA forms are typically saved as
dynamic PDFs, everytime a user interacts with the form and a new section
might get added or removed, the tags would have to be regenerated. As
such, it was not feasible to use PDF Tags for accessibility. Instead,
Adobe supports MSAA (.Microsoft Active Accessibility - Wikipedia). Tools
lik...