Reference: Star Wars Saga Edition Core Rulebook (83).
Effect: When opponents leave themselves open, you may make a number of additional attacks of opportunity equal to your Dexterity modifier. With this feat, you may also make attacks of opportunity while flat-footed. You can still only make one attack for each triggered attack of opportunity.
Normal: A character without the Combat Reflexes feat can make only one attack of opportunity per round and can't make attacks of opportunity while flat-footed.