Is It Ok To Get Juvederm over Fat Grafting To Add Additional Volume?

Yes.  In thin patients, who may not have as much fat to harvest, additional volumizing can help.  The fat transfer has most likely laid down a nice foundation and you typically do not need as much filler as you would have without it.  For the cheek areas, I personally like Radiesse or Perlane but that is not to say that Juvederm would not work.  I lay the product deep against the bone in the cheek area. Make sure you are addressing all areas of the face to keep it in overall harmony.  Good luck! vargasfaceandskin

Restylane can be used following fat transfer. However, in the ideal situation you would not need any additional volume. However, Restylane will allow any irregularities to be covered up or smoothed out while you heal. Since you're three months beyond surgery, I would not expect your fat transfer results to become any more pronounced in the future. It is more likely that you will see a small amount of fat resorption which might slightly reduce the volume that's currently there. Stephen Weber MD, FACS

FiIlers like Juvederm can certainly be placed over fat injections once the fat injections have "taken."  If it is recently after surgery, I would a few months until things have settled.