Solved by babak_hss in post #2 
              
              
                OK. It seems like we can use 
layer[0].weight().int_repr().data[i,j,l,m] 
to get the INT8 representation of the weight entries. 
Also, 
layer[0].weight().dequantize() 
gives the tensor of the weights in FP format to have element-wise access to its contents.