By tap on the product row on Inventory Overview, you are able to view the inventory details of the selected product.
If the quantity and available quantity is not tally, you may tap the "i" icon to check if any stock is reserved.
In Inventory Purpose view, you can view the product quantity and purposes at current login outlet.
Tap on View In Transit to view the stock in operation of the product at current login outlet.
Tap on View PO to view the stock quantity of the product which in the list of purchase order.