Cloud Transfer on PS is bizarre.
CLOUD TRANSFER:
1. To use Cloud Storage transfer, you need a PS+ Subscription.
2. Press the PlayStation Button
3. Select Settings > Saved Data and Game/App Settings.
4. Select Saved Data (PS4).
5. Select Cloud Storage.
6. Select Download to Console Storage > GreedFall.
7. Select the save game then press X.
8. Choose Download then press X.
9. Launch GreedFall.
10. On the main menu, press △ to import PS4™ saved data.
Xbox
The save migration is fully automatic on these versions and works in both ways. Just use the same Xbox Player Account on both platforms.
Achievements also stay the same, Trophies don't, so I presume you can get the same trophies twice?
It's 4K 30 in Quality mode on PS5/XSX (1080/30 on XSS)
Upscaled 4K 60 in Performance mode on both too (50-6 on XSS)