This support article covers where to see the Shipping Cost on the Configure Shipping option in Lead Commerce.
Step 1: Navigate to Sales -> Order and drill down into the specific order. Go to the Shipping Section of the order and locate the Calculate Shipping button (Purple).
Step 2: Click on the Calculate Shipping button. Then, select the Shipping Provider in the drop down menu on the left.
Step 3: Once you have selected your Shipping Provider from the drop down menu, you can then view the Shipping Cost in the top right hand corner of the window: