Hi and welcome to Arturia forums.
Do you have all the other AUs in V-Collection? I assume not, even if you have posted in the V-collection forum and not in the CMI forum.
I'm not a MAC user. But if the AU is'nt in the component folder, then you either have'nt installed the AU, or there is a compaibilty issue with your OS or perhaps even with Logic 9, or there is something wrong with the installer.
You can try to run the installer again and make sure the AU plugin is checked to be installed. If that's not it, then i suggest you contact Arturia support.
I see you have posted about the same elsewhere. Please only post one time, and in a relevant forum.