AU Monitor plug-in
The AU Monitor plug-in enables you to listen to Revoice Pro's output through the DAW's audio outputs.
In Logic, create a New Software Instrument Track.
The track will be added to the list of existing tracks in the session, here shown as Track 4 (Inst 1):
Make sure the track is selected, then click on the the Inst button on the strip for that track, to show the menu of available instruments, and selected AU Generators > Synchro Arts > Revoice Pro Monitor > Stereo:
The Inst button now shows "Revoice Pro":
To enabling the Monitor via this track in Logic, switch it on using the Monitor Enable button in Revoice shown ON below:
If you switch this Monitor switch OFF, then the output will be sent to the directly connected device set up as the Audio Output.