Request: upload a pdf of a presentation to get "annotated presentations" back

[Ram-N]

I see that the Annotated presentations tool works with images and OCR. Many people have their presentations saved as pdf files.
Any chance that this tool could be extended to enable uploading pdf's of slides?

Ref: https://github.com/simonw/til/blob/main/templates/pages/tools/annotated-presentations.html