Can adrenal cancer migrate to the pancreas?

Yes. The most common sites for spread of adrenal cancer are the lungs, liver, bones, and peritoneum, which is the cavity where your abdominal organs sit. The pancreas is in this area, so adrenal cancer that has spread could definitely go to the pancreas.
Yes. The left adrenal is under the pancreas and could spread directly. The right is further away. If blood borne metastasis can go anywhere.