The PDF viewer has a second scrollbar. Basically, the whole the PDF viewer (including the top menu) is scrollable. I can always scroll down so far till the menu bar is completely hidden. It doesn’t matter where I position the PDF pane or how many I have open.
Tested on:
no custom CSS
Display resolution: 2736x1824
RemNote Version: 1.5.0 (Desktop version)
OS: Windows 11
Version: RemNote Beta