I have only really seen people lower them either with the heico module or by modifying the arms for the level sensors to trick the factory system. You can program the height on individual mode though?
Comfort is always going to lower it as the more air pressure in the airbags, the harsher the ride.
Do you want it to look like a Hilux with a lift kit?
This mob make strut top spacers to lift the suspension slightly
https://m.spaccer.com/en_MT/makes-and-models/volvo/xc90-ii.html