AFAIK yes you will be able to modify the pink area, but not as easy as drag and drop and there will be certain preset models available from the beginning.
I’ve used it a lot with my facial interface mods to make more look under so I could see my physical MFDs and other home cockpit stuff. Works just like normal. Can’t speak to the AR passthrough issues though.
@Puckertoe All I did was do the washer and axel pad things and it worked great. https://cougar.flyfoxy.com/mods.php#smooth
I did not do the rest on that list. I also put friction tape on the barrel not electrical tape. The friction tape makes smoother movement when making small corrections.