Hi lisab2020,
Welcome to Community! I can understand the benefit of being able to review changes made to payroll information. However, the ability to review these changes isn't available at this time. Although you can pull up the Audit Trail to locate changes made to pay cheques, there isn't an option for employees and payroll items.
Please don't hesitate to submit a suggestion to our Development Team, if you would like this option to be available in future updates. Customer recommendations are greatly appreciate, in assisting us with improving your overall experience with QuickBooks.
If you have any other questions, feel free to touch base with us again. We would be happy to help!