With the folio case I use, I quite often use my S7 FE in reverse portrait mode, especially when I'm using Samsung Notes with spen. I am trying to autorotate screen when samsung Notes is launched. For now I have managed to do it with 3rd party app services.
I would really appreciate if the Reverse Landscape and Reverse Portrait screen orientation options can be added under the 'THEN' options of Bixby routines in a future update. Currently there are only options for Auto rotate, Portrait and Landscape.