Please check out this thread:
http://forum.cakewalk.com/FindPost/2899224 SONAR does work with AD, and I am not clear with the comment of "looks like sonar will just not work with addictive drums" comes from. I am going to test AD in X2, but know others owned AD before X3 came out.
Edit: I just opened the X3 track template from the above link in X2 (had to navigate to the X3 directory to insert it), but X2 plays AD as expected. Please look at the original post in that thread and walk through the steps of it. If AD is not working in X2, there is another part of your routing setup that needs adjusting.
Edit 2: I just saw you got it working, so disregard this post, although the link above may still be helpful