It's definitely fine for Super User. Just make sure to tag it automator.
Questions about Automator are on topic for Stack Overflow and Ask Different as well. Just ask on the site you feel most comfortable with.
No. It is not. OS X (and 9, 8 and older I suppose) are on topic and we overlap with ask different there. IPhone questions are off topic unless there is a computer involved. IPads are tablets and are kinda on topic
So no, unless you're the op, don't flag that sort of thing for migration. If you are, we may migrate depending on the circumstances - though, ...