Do you have a manual for setting up the Pay-Per-View Plugin

I need to set up the pay per view plugin to ONLY charge for specific POSTS or PAGES - whichever is easiest.

I only see options of turning it on for ALL pages or ALL posts.

Is there any documentation describing how to do this?

ALSO, the pay per view content will be videos - each of them needing to be paid for in order to view (so not a pay once and see all the content) the rest of the site needs to be free and available to anyone. Any documentation that you can refer me to would be great.

SHORT CODES - is there somewhere I can see a list of the available shortcodes as well?

Thank you in advance!