We have changed our site to using a Yootheme Pro template, and the like, share buttons do not appear on a YooTheme Pro created article.. they work fine on standard Joomlas articles :-
We're always improving compatibility with social networks and other extensions/templates with every release of JFBConnect. I can't guarantee that simply upgrading will make the buttons work, but if you're on the latest release, it helps us diagnose and fix problems much faster.
If you choose to upgrade and the buttons don't show, just let us know and we'll gladly dig in to understand the problem and get you going.
YooTheme Pro Integration
