1999 Other Dodge Models what damaged my air conditioner

Got my air conditioner serviced it wasnt cooling so they checked for leaks and didnt find any they added coolant and it worked fine for 1 week and stoped so I returned the vehichle and they checked for leaks a second time and I returned to pick up my vehicle and was told that the air compressor had blow seals could the people that I let fix it possibly have damaged it morre than it was they made a remark that it had alot of pressure on it?