In most cases you can.
There are different ways the procedure is done.
They have what is called "overs," which is over the muscle, and "unders," which is, of course, under.
It is more likely to be able to nurse if the implant is put under the muscle.
Also, depending on where you have your incision can play a role in this.
If the incision is say in the crease, or in the armpit, you are less like to cause damage to the milk ducts, than say if you have the areola incision.