Here are some links to more information on the tips and tricks for helping you work more efficiently with PDFs in Bluebeam:
Alt+Z: Auto-Size Text Box
Hold down Ctrl and select item to duplicate
Hit Alt+L to bring up the Markups panel at the bottom of the user interface. Create new columns to help you track additional information for quantity takeoffs.
Note that to identify text from a Page Region, the text has to be searchable/selectable.
Create hyperlinks for section cuts and drawing index.