JR, the advice to boil pressure canned foods like meat before eating is a precaution in case it wasn't processed properly (thus leaving you with a risk of botulism). It is wise to do if you are given a jar from someone else. If you can the meat according to the USDA tested as safe guidelines, there is no need to go the extra mile by boiling the meat. Also, if there is a person in the at-risk group (elderly, very young, pregnant, immune compromised) who will be eating the food, it is advised to boil it for them. Just follow the directions, make sure your canner doesn't drop pressure during processing and follow the directions for venting, cooling down exactly and you are good to go.
http://nchfp.uga.edu/how/can5_meat.html