I cant find online if its serviceable or if I can lube it somehow, or is it sealed?
The older SRAM clutches were easy to service. Just remove the cover, and undo the torx bolt inside, grease and reassemble.
My 2015 X0 derailleur has the torx bolt pinned from the side. I spent some time levering the pin out with a knife blade while wiggling the torx bolt. Once the pin was out, it was the same to service as the older version. When reassembling I did not put the pin back in and I used Loctite 248 on the torx bolt. Adjust the torx bolt for how tight you want the clutch. Mine has been great since.
I think the clutch on mine was the type 2.1 clutch.
The 2017 version may be the type 3 clutch. This one may not be adjustable/serviceable. Have a look to see which clutch version you have.