I recognize how helpful it is to have a PayPal payment option when you set up recurring payments in QuickBooks Online, @tess44. 

The feature request is implemented based on the number of users who have requested it. Due to a large number of requests, it's likely that our engineers haven't gone through your feedback as of yet. The reason why the functionality remains unavailable in QBO.

Rest assured that our product engineers are continuously working on improving your QuickBooks experience.

Once everything is good, see this guide to learn more on how to add and manage repeating transactions in QBO: Create recurring transactions in QuickBooks Online.

Please let us know if you have other concerns about this matter or QuickBooks in general. You can leave a comment below so we can respond as soon as we can. Keep safe!