In adobe reader, one can export/print pdfs with the highlights and comments next to the original pdf content. https://helpx.adobe.com/uk/acrobat/kb/print-comments-acrobat-reader.html#:~:text=Document%20And%20Markups
It would be nice to have this feature in paperpile, so that I can share my notes in context of the paper. It’s not as helpful to have all the notes at the end. Is this something that you can implement?