Yea- Generally the map maker will be more than happy to send you an unprotected copy of the map.
Why do you want an unprotected copy? Do you want to make another version of his map? If you do want to do this, make sure you ask permission. If you cant get in contact with him, tough luck.
If you want the map to see how he did certain triggers, and you cant get in contact with him, ask some people around this forum to help you. I would be more than happy to help you- and there are people with even more knowledge about WE than me out there willing to give a hand.
Hope that helped.