6 aircraft and 7 cabin layouts, from the 135 to the 195-E2. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 6 Airlink aircraft here: the Embraer 135, the Embraer 140, the Embraer 170, the Embraer 190, the Embraer 195 and the Embraer 195-E2.
The Embraer 195-E2, with 136 seats: 136 Economy in its main layout.