Make sure that all Waves plugins have been scanned and validated for use in your DAW. You may need to rescan all Waves plugins for them to show up in StudioRack. Here are the steps to do so in various DAWs:
Logic Pro X
If individual Waves plugins are loading but are showing “disabled” in Studio Rack: follow these steps to rescan the StudioRack module and plugins.
Note: Studio Rack presets are compatible with V9 / V10 Waves plugins only.