Let me provide additional information, @Winston750.

You can check for any available self-paced training for QuickBooks Desktop from the Training & Certification drop-down.

Here’s how:

1. Log in to your QuickBooks Online for Accountant account.
2. Select ProAdvisor from the left menu.
3. Click on Certification tab and expand the QuickBooks Desktop Training and Certification drop-down.

If still there is no any available guide for QuickBooks Desktop 2020, then I suggest reaching out to our ProAdvisor Support to help you get one. 

You can reach them by going to the Help icon at the top right of the account. Follow the steps below: 

1. Go to the Help icon to connect to a live support agent. 
2. Provide us with some information about your concern.
3. Select the Contact Us button and provide some details about this concern, then on the Let's talk button. 
4. You'll now be provided options on how to connect to our Customer Support.

See this contact QuickBooks Online Accountant and ProAdvisor Support article for more information. 

Let me know if there's anything that you need or follow-up questions. I'm always here to assist. Have a wonderful day!