infamous android facebook notifications

I have always had problems getting fb notifications on android..
does anyone else not get notifications?? Im on a galaxy s3 and they only notification i get are those stupid birthday invites.
does anyone know a solution to this or why we (or at least me) never get fb push notifications???
Answer #1
bump
Answer #2
sync on ?
Answer #3
ya all settings are on.. no one else has issues???