The one I download by going through the back door into the App Store says it's damaged and cannot install.
You'll get this message because there is no MAS Receipt in the Sierra DMG that you download from Apple. If you can figure out how to add that then it will work. Use Google.says it's damaged and cannot install.
Just did a site search looks like someone posted the solution back in April.Thanks for all the suggestions, guys! I'll let you know what works!