For specific manual additions (like third-party MIDI loops), you must place them in specific directories. Note that the /Library folder is hidden by default on modern macOS versions.
Once your files are in place, you may need to "refresh" the plugin so it recognizes the new data: Open the AD2 interface. Click the in the top right corner. addictive drums 2 library placer mac
While the official tool is the best method, some advanced users prefer symbolic links (symlinks) via Terminal. For specific manual additions (like third-party MIDI loops),