I've just written up a post on my workflow for PDF's Since my blog has, I
think, a readership of 0 (surely there's a way to get emacsers to follow
me? ah well), I will post a link here in the hopes that someone will be
interested:

http://matt.hackinghistory.ca/2015/11/11/note-taking-with-pdf-tools/

All best!
Matt