I'd highly suggest that you help limit the amount of jumping as his bones and joints are still developing. I read that you should also limit the amount of hard running they do too when they're developing - something about their growth plates.
Here are some articles with diagrams etc to get a better idea:
https://www.puppyculture.com/new-app...-exercise.html https://pethelpful.com/dogs/Puppy-Ex...ch-is-Too-Much https://www.dogworksfitness.com/sing...ips-and-elbows