Submitted a 26 MiB report in pdf to Doc Control; 119 pages, of which I created about 22 in MS Word. The whole thing was assembled in Bluebeam Revu and then signed electronically in Notarius Consigno.
It would be so much faster to make complicated documents like this in #emacs. Easiest with #orgmode, but even plain #LaTeX would be easier than grappling with the tool chain in MS Windows.