In your WordPress dashboard, navigate to "Settings -> Posterno -> Profiles" to access the public facing profiles settings.
Public profiles visibility
Your members can upload custom avatars through their account customization form. You can enable or disable this feature by toggling the setting "Custom avatars".
Public profiles permalink
You can decide the structure of the urls for your members profiles. You can choose to display their user ID number of their username. Adjust your preference by selecting one option within the "Profiles permalink base" setting.