... You should have received an automated email about this, but it may have been caught by an email filter.
I can't help much with the current process of getting enrolled. Things were different when I first enrolled. You do want to make sure everything has made it all the way through accounting. Sometimes it seems as if the technical side and the accounting side don't communicate. If you find a contact at Roku that seems to be especially helpful, treasure that email address.
Also just clarifying something, does enrolling into the RAF alone (using the above steps, emailing email@example.com and submitting a W9) set us up for advertising & revenue sharing? Or do we also need to setup with an Ad Partner?
Income from that gets paid via paypal xfer (no fee) and reported 1099-K.