According to this review you do;
You do get three Isofix points in the middle row
https://www.motoringresearch.com/car-reviews/seat-tarraco-review/
Child seats can be secured quickly, easily and safely on the rear outer seats of the sec- ond row of seats and the front passenger seat with the *ISOFIX* and Top Tether system.
Each of the side rear seats of the second row of seats and the front passenger seat has two *ISOFIX* fastening rings. In some vehicles, the rings are secured to the seat frame.