Close keeps the Acrobat application open and closes the active document. Exit shuts down Acrobat completely.
..which is why you'll have problems running it from a script - the script engine would be closed by the script it's trying to execute, and that can't happen as there'd be no place for the return value to go.
..which is why you'll have problems running it from a script - the script engine would be closed by the script it's trying to execute, and that can't happen as there'd be no place for the return value to go.