I have the membership plugin but am curious about the new

I have the membership content but am curious about the new Protected Content release.

I need a plugin that limits access to a page - or part of a page - to a certain number of people. Could be done with a coupon code that can be used up to 50 times for instance.

(I am selling a live-streamed video to multiple schools but need to limit each schools access to only 50 separate streams so that I don't lose money on bandwidth costs)