Use Rivets for old corrugated Metal Roof
I know aluminum boat manufactures use rivets with rubber seals. I have not seen rivets used on corrugated roofing. I would convert the leakers to screws with washers that’s how most metal roofs are put on and if the wood is a little compromised at the leaky nail hole a screw will hold better than putting in another nail the seal on the screw makes it dry.