need an invoice for payment

my company to authorize the payment, I would need an invoice, 

a proforma invoice (budget) is not useful

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In order to receive an invoice, you would have to upgrade your plan.

If you're paying through Purchase Order, our Third Party Payment processor would process the payments and would send it to us for approval. Once approved, you will receive an invoice.

Guide:https://www.jotform.com/help/353-How-to-Upgrade-and-Pay-by-Purchase-Order

Do note that we do not give a timeframe for this type of payment.

You must strictly follow the Purchase Order Instructions.

Once BlueSnap will process the Order, it will be sent to us for Approval.

Once the order is approved, you'll get an additional email with instructions on how you should send the payment.

We cannot upgrade the account until the payment is cleared.

Hope this information helps.