Yes And No. Pandora now has two available services.
The first older service that Pandora is known for is their streaming “online radio” service, This service is called “non-interactive” as its more like listening to the radio; you cannot pick specific songs to play, you cannot go backwards etc. Because it is considered “non-interactive” the law does NOT require Pandora to pay “mechanical royalties”.
The second and new Pandora service is an “interactive” streaming service and works like Spotify. Listeners can pick specific songs, go backwards, skip as many songs as they want and play the music as if it was their own. As this new Pandora service is “interactive” the law requires Pandora to pay “mechanical royalties”. Audiam collects these interactive streaming mechanical royalties from Pandora.
To recap: Audiam collects mechanical royalties from Pandora for its new INTERACTIVE streaming service, It does NOT collect any money from Pandora for its “non-interactive” streaming service.