I am the one who mods!
Are you pondering what I'm pondering?
Much blocking by my protections plus I never found a clear way to save the scenarios and to found them back!?
You can save under File>Save or Save as. It will be a .map format that can be opened again in the Editor.
When your Map is final you go to File>Convert to PNG. Then it will be a .png image that you can include in a .pdf or any other document in which you describe your Quest.
I doubt there will be anything else. There is an already am download for MAC and i won't get my hopes high for a new program.
I will wait for any official Mac program for it.