my azaleas are not producing leaves on some limbs
They are not full, some limbs don't have leaves, causing them to look starved. The leaves that have produced are green but certain parts don't have nothing. I guess the leaves died and fell off. How do I bring it back alive in Virginia Beach, Virginia?
There are a number of problems that might be affecting your plants. I'm sending an article on azalea problems for you to look at, and examine your plants in light of the symtoms listed. https://www.gardeningknowhow.com/ornamental/shrubs/azalea/common-azalea-problems.htm
However, your best course of action would probably be to take some samples of leaves and branches to the nearest county extension service, where professionals can diagnose your azalea problem. This link will help you find the nearest office: