If you need to access a specific user, you can call them up via http://www.openvpms.org/users/xxx where xxx is the user's login name.

However, it may be easier to find then via http://www.openvpms.org/admin/user/user/list (or via User Management|users|List in the top menu)

Initially this shows everybody as follows:

But you can list by role – ie if you click the role radio button and select Subscriber from the pull-down and then press Filter you get:

On this screen, you can add a second selection condition (say Role = FiftyPercenter) and then press the Refine button, you will see only users who are Subscribers and FiftyPercenters.  Pressing the Reset button removes all the selection conditions.

Note that the Role Expiration tab show when user’s roles expire – as below.  Note that this shows ALL expiring roles, not just those of the users that you have selected on the List tab.

You can click on any on the Username links to call up that user.