Yes it can. Sometimes the gas in your stomach is so intense it can actually expand your stomach pressing it against your back.
Can Your Stomach Make Your Back Hurt?
Sure if it is to big and pulling on the back.
I was wondering what it could be when I belch all day with running a small fever ,my sternum hurts a little and my back especially hurts on the shoulder blades and the middle of the back when I sit back against something