* Calves are farm animals. They are typically cared for by farmers or ranchers.
* Farmers often have a veterinarian they work with. The vet might visit the farm, or the farmer might bring the calf to the vet's clinic.
* Calves don't "see" a veterinarian in the same way people do. They don't make appointments or go to the vet's office themselves.
So, the answer is: A calf sees a veterinarian at the farm or at a veterinary clinic.