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
Managing and Creating Columns in the Markups List
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.
Rename Page Labels to Match Drawing Sheet Number
Note that to identify text from a Page Region, the text has to be searchable/selectable.
Create hyperlinks for section cuts and drawing index.