Welcome to the QuickBooks family, @Leighton19.
Allow me to provide clarifications about running payroll in QuickBooks Online (QBO).
When liabilities need to be paid, employers must do it directly to the HMRC. Right now, a direct way to process these payments within QBO is unavailable.
With the help of the P32 report, you'll be able to identify the amount due. Here's how:
To record the payments in the system, you can use the Expense/Expenditure option and posting it to the payroll liability account.
In the meantime, you can check the following article for some links about the payroll tasks in QuickBooks Online, as well as the reports:
Feel free to hit that Reply button if you have any other questions. Have a great day ahead.