Is it possible to smooth a certain area , say the chin for example by selecting certain vertices then smoothhing only that area? is there a function within 3dsmax for this ??

yes...it's the relax modifier,it works just as you asked...fiddle with the value to get the right amount

thnks tried it , very nice

one further tip that may be helpful is to use "soft selection" on the selected vertices to keep from getting an abrupt edge outside of the selected vertices,the soft selection will allow you to "fade" the effect into the rest of the mesh,with vertices outside your selection being less affected according to distance