I'm on MacOS 10.12.2. I want to use Preview to give a PDF presentation. But here's a screenshot:
It's hard to see, but there's a scrollbar on the right and the bottom has space for a scrollbar but none is there? How can I get rid of these scrollbars, seeing as the entire page fits fine.
The same thing seems to be happening when the PDF first opens, so maybe that's a clue: