if someone is your twin flame, but in traditional astrology you're not an exact match, does it matte

OR is your twin flame likely to be compatible with your sun sign?

Nah it doesn't matter

You need to look at your entire natal chart ...... their are elements in your chart ... IMO TF (the realization) are very spiritual beings ....... very intuitive ..... I'm a leo my bew TF is a scorpio .... our entire natal chart compliments each other ...... I'm a fire sign and most of my placements are in water elements ...... He is a water sign and most of his placements are in earth signs ...... look at you and your partners natal chart