I use it all the time. It’s easy.
Look for the little down arrow in the mixer pane in addictive drums under each it. Click it and a small menu will pop up. Select the -> Seperate Output option. You will have to check “Enable Keyboard” on the bottom of the plug-in in Renoise.
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Then flip to the Plug-In pane if you aren’t already and manually assign the outputs like any multichannel instrument. Assign them to specific tracks instead of the default “Current Track” if you want them in one place.
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That should do it.
Tip. If you want to fully control the drums, turn down the OH and Room volumes so that they don’t interfere with the signal. Then add your own processes to the dry sound.