I primarily use them for reference during planning a session, which means I need them available at work and at home. I copy and paste needed info into notes or DM's Familiar (the reference software I run during the game). I have printed a couple out in their entirity, but most I will only print a section I need for game.
I find I don't reference the pdf during a game as I'm trying to keep things moving and stopping to load and search a pdf is more time than I want to spend at the gaming table.
I find I don't reference the pdf during a game as I'm trying to keep things moving and stopping to load and search a pdf is more time than I want to spend at the gaming table.