Thanks for reaching out to the Community, vickiprice,
I'm here to provide some information about the Sales Tax set up in QuickBooks Online.
If you'd want to switch back to manual sales tax, then you can revert it on your own, here's how:
However, if you have a brand new QuickBooks account with Automated Sales Tax already enabled, you won't be able to see this option.
To know more about Automated Sales tax, you can check this article: https://quickbooks.intuit.com/community/Taxes/How-do-I-turn-off-automated-sales-tax-I-unchecked-taxa....
If there's anything else you need help with, please let me know. I'm always here to help.