Leads allows you to choose which leads an employee can see:
All leads
My leads — in which the employee is a Manager
Work Orders allows you to choose which work orders an employee can see:
All orders
My orders — in which the employee is a Assigned Technician
Sales is a permission to choose which sales an employee can see:
All sales
My sales — in which the employee is a seller
Payroll Report allows you to choose what information an employee can see on wages:
For all employees — information about the calculated wages for all employees
My payroll only — only employee wages and their breakdown