My invoices don't have an option for my customer to make a payment

Hello there, Maye. Allow me to share some information regarding customer can't make a payment.

Keep in mind, that payment processing is an add-on through QuickBooks Payments. 

To have this option, you need to have QuickBooks Payments. If you have one, you need to turn it on so that your customers can pay directly from an invoice. Click this article to learn more: Turn on online invoice payments in QuickBooks Online

If you don't have one yet, you can check out this article: Sign up for QuickBooks Payments

You can also visit this link to learn how to personalize and add specific info to your sales forms: Customize invoices, estimates, and sales receipts in QuickBooks Online

If you have further concerns about QuickBooks Payments in QuickBooks Online, feel free to come back here in the Community. We're here to assist you 24/7.