JFBConnect provides integration between social networks and your Joomla site. We don't host profiles on your site though, and rely on the various options for showing profile data for your users, including:
* Joomla User - Profile plugin
* JomSocial
* EasySocial
* Community Builder
* Kunena
and more
Each of those has profile features which you can enable the corresponding Social Profile plugin for. Then, configure how the user's profile data should be imported into those extensions from the JFBConnect -> Profile area.
I hope that helps explain, but if you need more assistance, just let us know.
Thanks,
Alex