The 'Item Report' tab can be found within Orders QuoteMachine. Here, you'll find detailed information regarding the items you have on order.
On this report, you'll see a breakdown of all your products on order, and their status. You can easily sort through the different columns, by clicking on any one of them,
Selecting the the 'orders' button will display all the individual QuoteMachine orders where this particular item can be found.
You can also sort through this information using the different filters.