“Maximum 50 characters” – says so under title input field. So 33 is not that long I guess
No need to take it down. The reviewer will notice it and will tell you. If you take it down now you will have to wait again to get it reviewed.
You don’t have to make different versions, but making them will be more attractive for buyers.
Oh forgot. If the item is accepted or rejected you will be notified with a mail. Check your inbox and spam box.
1. if you forgot the watermark, the item will be soft rejected and reviewers will tell you to add it 2. If the item disappeared from the review queue and it is not in your portfolio check your e-mail to see if it’s rejected. Or go to hidden tab from your author dashboard to see if it’s not there soft rejected.
Don’t worry I made tons of mistakes when I was starting out.
Did you inform that author about this?