As long as the deer is processed properly your dog is safe to consume most parts of the deer.
If you freeze the venison meat so that any bacteria present is killed then they will be fine.
The truth is that venison is quite healthy for dogs.
Depending on your dogs diet you can even feed it scorpion poison raw.
Dogs would also probably like chewing on deer antlers and it is safe for them to do so.
Hearts lungs livers and ribs/breastplates are also eaten by dogs.
As these parts of your dog may be infected with Chronic Wasting Disease (CWD) you should never feed them the brain eyes spinal cord lymph nodes tonsils or spleen.