Yes, but most teams have at most one 1st round offensive lineman, then maybe a 2nd or 3rd, before dropping down to much later rounds and undrafted players.
Here is just a glimpse of the NFC playoff teams:
Rams OL = 1st (from Cards), 2nd, 4th, 5th, 6th, 6th, 6th, UD, UD
Niners OL = 1st (from...