Let's get technical.
When you say "full sync" cycle what MA's and what steps did you run?
Did you run an import on SQL?
Did you run a Full sync on SQL? The stats should show import attribute flows and then export attribute flows to SharePoint MA
At this point there should be pending exports to SharePoint. Are there any?
Did you run an export to SharePoint?
At this point you could look in SharePoint and see some changes.
David Lundell, Get your copy of FIM Best Practices Volume 1 http://blog.ilmbestpractices.com/2010/08/book-is-here-fim-best-practices-volume.html