What do you mean by output, exactly? Are you simply referring to the physics simulation or are you thinking of OutSim and/or OutGauge?
As for the simulation, sure. Each tire may, individually, slip/loose traction when accelerating, braking or turning, and many parameters such as surface, tire type, tire temperature, whether the tire has dirt on it or not and so on may also result in loss of traction for each individual tire.
You can use the Forces View (F) and Tyre temperature/wear & clutch temperature display (F9) to verify this.
The Brakes section of the Advanced Setup Guide
has an example of how the Forces View can be used to determine that the brake balance is set too low, forcing the rear wheels to lock up/loose traction while the front are still gripping, for example.