The (payware) or FlyByWire A32NX (free) for MSFS 2020/2024 include an in-sim EFB (Electronic Flight Bag) with full system simulations. While not "Airbus official," the FlyByWire documentation is open source and actually better than some airline CBTs I’ve seen.
: A flight simulator focused on preventing unstable approaches. Created by an active A320 Captain, it includes interactive lessons and supports the A320, A321, and NEO variants. Airbus A320 Systems CBT 2.0 Airbus A320 Cbt Free Download