@Joe: when I morphed your .docx file into a .pdf, the result was a quarter of the (file) size of the .pdf you showed me recently. The content appeared to be identical. So it looks like MyMorph might (also) be a useful tool when the need arises to reduce file sizes.
I have noticed in the past that .pdf's can sometimes be quite bloated, only to render "disappointing" results when you open them. I have always assumed that sort of thing has resulted from the choice of PDF Creator used in the first instance (which could also have been scanning software, of course) and (or) the option settings used at the time. So you might like to look into a "pdf size reducer" in future revisions of Pathfinder.
Meanwhile, other "pdf tools" that I can personally vouch for are:-