Free Members Can View Premium Content
If your free members are improperly able to access content that you have restricted to paid subscribers, this is usually caused by an improper configuration of the content restriction settings.
To ensure that only paid subscribers can view content, you may want to select the option for "Members of any paid subscription level(s)", as shown below:
If you are using the [restrict] short code, ensure that you have added the paid="true" parameter, like this:
[restrict paid="true"]This content is restricted to paid subscribers[/restrict]