Pocket bags is the correct term. Unfortunately this is not something we can do, but you could take it to a tailor have them remove the pocket bags. That would be a cheap and easy alteration. A bit nitpicky, in my opinion.Correct
Undarted (aka sack) jacket is available for all MTM. It's not currently listed on the options form but just mention it in email. Yes, you can use Saphir Renovateur on all leathers. It's downright magical.