Let's make sure to correctly categorize payroll, mbellinghiere.
QuickBooks Self-Employed is designed to help freelancers and sole proprietors keep tabs on income, expenses, and tax obligations. Since you're self-employed, you own your business and don't have to do with any payroll-related concerns. But if you still want to include payroll, you can only categorize it as Other Business Expenses and tag it as Personal.
However, I still recommend reaching out to your accountant for other ways on how to do it. For more information, I've added this article to know how you can organize your income and expense in your self-employed account. Categorize Transactions In QuickBooks Self-Employed.