There are three versions of payroll for QuickBooks Online UK. This article is for QuickBooks Online Advanced Payroll.
If your Employees page looks like this, you have QuickBooks Online Advanced Payroll.
If you have QuickBooks Online Standard Payroll, view this article.
Managing your Payroll Settings
Managing your employees
Processing Pay Runs
Expenses & Timesheets
Leave & Statutory Payments
Reports & Pensions