Will adhesions always continue to grow, or they do they stay the same after a certain amount of time?

Probably not. Adhesions may go away on their own or may become a firm scar and case obstruction. They can't be seen on any specific test, but the results can be seen on x-ray if there is an obstruction. If operation is needed, there are products available like sepra film and interceed which may help prevent them from coming back.
Bloating. Bloating is a symptom, that can happen from various conditions, including pud, hpylori gastrutis, giardia, bacterial overgrowth of small intestine, gastroparesis, celiac disease, ibd, ibs. Identify the underlying proble, and treatment of underlying problem will help resolve bloating.