Thanks for joining the thread and  letting us know that you are experiencing this behavior, @DB1611,

I'd like to join this conversation and share some updates about this invoicing concern.

There is an ongoing issue for QBO users being unable to view their invoices online. Our engineers are looking into this now, and they are rolling live updates of the status of the investigation through email.

To add your account to the notification list, we need to have you contact our Support Team. This forum doesn't handle any account-related processes for the security of your account. If you can't reach us during this time, you can request a callback so you won't have to wait on the line. See our support hours here.

Here's how to contact us if you're using QuickBooks Online: 

1. Sign in to your QBO account.
2. Click the (?) Help icon in the upper right-hand corner of the Dashboard.
3. Tap the Search tab, then select the Contact Us button and enter your concern in the description box.
4. Once done, select Call us or Get a callback option.

We ask for your patience while this is still being worked on. If you have other questions or concerns, please let me know in the comment below. I'll be more than happy to help.