Thanks for utilizing the Community space, Santos.
QuickBooks Self-Employed (QBSE) is designed to help you track your income, expenses, and tax info. The option to automatically file your taxes isn't available. You'll need file it manually.
To learn more about how QBSE works and how to prepare your taxes, check out these links for guidance:
With regards to recording your income and expenses, yes, you'll need to record and categorize them. This is to ensure your transactions are on the correct line of your Schedule C. To be guided, you can refer to this article: Categorize transactions in QuickBooks Self-Employed.
Keep me posted if you need further assistance managing your tax and transactions. I'll be around ready to assist you. Have a great week ahead!