Of course you can.
To file a statement from the Unknowns tab
MORE > Mark as Statement
You will then be asked to choose a Supplier to file the Statement against, and a statement date. You also have the option to mark the date range of the bills covered by the statement. This is a good idea to fill in so that your invoices can reconcile with the statement.
Then click OK
The statement will now be filed in the filing cabinet for you.
How to search for Statement in the Filing Cabinet
From the filing Cabinet Select Statement from the first drop down and then the appropriate supplier. You can drill down into statement date range and also select to include previously reconciled statements and trashed statement if you wish.
Once you have found the statement range in the search field you can view the statement and the relevant invoices for that statement date range as displayed below.
HOW TO RECONCILE A STATEMENT
Once the above steps have been completed you can select Statement detail tab from Panel 3 and you will see the reconciled tick box available.
You can tick this box if you have reconciled the statement, then click Save.