The invoice is generated after the payment request. You can find it under your account in the Payments. Here you can see a Billing history. There is written Statement type, Statement number, Date created, Status, Amount, and Notes.
Point A - Go to Payments.
Point B - Invoice Statement number.
Point C - Time period of the invoice.
Point D - which date was the invoice created.
Point E - Status that shows you if the invoice was paid or unpaid.
Point F - invoice Amount.
Point G - Action panel where you can download or view the invoice.
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