Yes. You can have a look to the following article:
https://dof.robotiq.com/discussion/1876/tm-robot-open-close-gripper-in-motion#latest
It is also possible to uncheck the "Complete griper motion before next action". This way when you release an object, the gripper can complete its opening motion while the robot goes away from the object.

It is possible to open a gripper, during a movement of UR3, from point A to point B?