One is located at (K-10) at the back of a house, the other at (F-9), on what looks like a barricade archers would hide behind.
Unlike Hawk Eye, the intel gathering is instantaneous, although you will still need to drop Sneak and Invisible. Both ??? are in places where you should be able to avoid aggro while clicking them.
Report back to Rasdinice to complete the mission.
The war planning division is in need of accurate details of beastmen camps in order to devise the next large offensive. Infiltrate La Vaule with the Knights of the Iron Ram and obtain intel regarding both defensive capabilities and weapon stores.