There is no GUI to work with when Acrobat Reader is running on Tablet in Read mode
Viewing a PDF document (like this) in Read mode (reachable by hitting [CTRL]+

You cannot access any Reader menu item, it's impossible to switch to another Reader document tab, you cannot exit fullscreen mode, you cannot exit Acrobat Reader at all.
Adobe, please fix. E.g., by showing a hint for a few seconds on how to access all these features in Read mode on a tablet (i.e. without keyboard).
