If you want to learn how to use your pocket operator more effectively these are some tutorials, lessons, and other educational resources that can help you bone up.
Callum Howkin's Complete PO-33 K.O Guide
You can find Callum Howkin's excellent PO-33 guide online here.
Teenage Engineering have their own set of online lessons for the pocket operator series.
Pocket Operator drum patterns
Paul from shittyrecording.studio is selling a book full of drum machine patterns for pocket operators.