The promise is speed to answer
Ask-your-PDF tools appeal to teams because they promise a shorter path from file to answer. That is useful, especially when reviewers repeat the same questions across long documents. But the answer is only valuable if the user can trust it and verify it quickly.
The real product test is evidence visibility
A tool that answers questions from a PDF but hides the proof forces the user to do the hard part manually. A better workflow keeps the source close so the reviewer can confirm the answer in one step.
PDF Q&A needs to fit a broader workflow
Most enterprise users are not asking questions from PDFs for curiosity. They are answering a customer question, reviewing a contract, checking a compliance point, or preparing a downstream decision. The product should support that next step too.