But, that is ad hoc VNAV capability way beyond anything I know about.
The nerds like to use it. I don't know the capability of AB in this regard, but in my aeroplane (717) it works well (most of the time

. Whether the manufacturers intended it to be used around the base turn onto final is another issue.
That approach is a Visual; surely the FAA doesn't "require" use of the ILS?
The FPV I am familiar with (not the AB330) gives vertical guidance to the runway provided you place the FPV symbol on the approach end of the runway.
A HUD?