I can see that you've posted this question in the QuickBooks US Community. US accounts only support and tracks sales taxes.
If you're in a different country or region, you can subscribe to different QBO product that will calculate VAT instead of sales taxes for the products and services you've used. Simply choose the correct country in this link: https://quickbooks.intuit.com/choose-country/.
After you select your country, you'll be routed to QuickBooks Global page. Just scroll down to the bottom corner of the page and click the See Plans & Pricing to select the subscription you wanted to use.
You can also sign up for a free 30-days trial without a credit card to test the features of the product.
I've also added some helpful articles that you can use as you get started with QuickBooks.