To see Customer Statement please go to Invoices > Customers

1) You will see the screen with all your customers listed. You can also create new Customers through +New Customer.
2) Click on the Customer Name to see their statement.

3) The Customer screen showing the Customer Name, Email, Website, Billing & Shipping Information, Tax Information & Payment Details.
4) You will detail information associated with your customer such as Invoices, Estimates, Receipts, and other vouchers.
5) The Create New option helps you to make and Invoice, Estimate or Receipt.