under the section Manufacturing order document in the upper left corner of the tab.Under this tab you will find a list of manufacturing orders that are registered to different order rows on the customer order. If no manufacturing orders are registered, this tab is greyed out.
Under this tab you can see the same information as in the Order Info procedure in the Manufacturing module. However, under this tab you can also preview the document by clicking on the symbol under the section Manufacturing order document in the upper left corner of the tab.