On: PDF ChatBot – Upload, chat and interact with any P...

[jrpt]

I can't answer for theirs but I made one too:

https://docalysis.com/

The way it works is you first parse the PDF to analyze its text, then use a LLM along with the relevant text when answering user questions.

[laen → jrpt]

Can you elaborate on how you parse the PDF? Are you simply converting it to text using a python library or something more robust like GROBID[1]?

1: https://github.com/kermitt2/grobid

[airbreather → laen]

Do you know of anything that can process engineering drawings and diagrams by looking how lines link text and other objects?

[malshe → laen]

Not the OP but I that's what I do.