Yes, seat guru shows 34" seat pitch for both the A332 and A333, while the B788/789 is only 31". Slightly better seat width too at 18" against 17.3" on the B789.
Capacity wise, it's the 789 that has the extra 10 Business seats (30 + 258), but the 788 is 18 + 249. The A332 being 20 + 196.