Try the FM: BAPISDORDER_GETDETAILEDLIST make import field CONFIGURE = X and enter the sales order number and check the output table ORDER_CFGS_CUVALS_OUT.
Also check fm VC_I_GET_CONFIGURATION
Try the FM: BAPISDORDER_GETDETAILEDLIST make import field CONFIGURE = X and enter the sales order number and check the output table ORDER_CFGS_CUVALS_OUT.
Also check fm VC_I_GET_CONFIGURATION