You’ll need to send audio to/from the H90 from Ableton using the correct I/O from the interface. You can use Ableton’s “external audio effect” plug-in.
You can find information about sending audio to/from Ableton here: https://help.ableton.com/hc/en-us/articles/360005113200-Using-external-audio-effects
No further configuration is necessary on the H90.
