This is a PRO feature (not available in the free version).

This section contains payroll accounting, including salary statements and salary certificates. The configuration for payroll accounting can be found under Settings / Salary configuration. Payroll reports are available under Reports.

Salary statements [more]
Salary statements for employees are created here. These can be set to repeat automatically.

Salary certificates [more]
Salary certificates (forms for the authorities) are automatically generated from salary statements and can be viewed here.