Remember that APAS is simply a tool to try an help the operator in cases where the operator didn't see some obstacle. But it is always the operator's job to see and avoid. So, if a crash occurs because the drone hits something; #1 it's operator...
Hi there & welcome to the forum 👋
DJI only have one RC that they call "Smart Controller"... that's the one with RM500 as a model number. And this one is the only "sceened" controller that's compatible with the DJI Mavic Air 2.