Pay Per View "One Time View" Cookies and Settings Question

Hi there. I have a question regarding "One Time View" and cookies. Is the expected behavior that the purchaser is able to view the content for the duration of the hours set in the "Cookie validity time (hours)" setting?

In testing, I have my browser set to clear cookies when it closes, so I'm not able to see the content once I open the browser again (just see the purchase link). Can you clarify this so that a notification regarding cookies can be given to potential customers? I can see this being a major issue with this plugin if people have cookies set to clear on shutdown.

I'm looking for the best solution for PPV without having to have people create accounts through wordpress.