Invoicing 1. Invoicing - **Sage Commercial** generates quotes, purchase orders, and customer and supplier invoices, with payment tracking. - **Sage Payroll** does not manage invoicing, except possibly for payslips. - **Sage Accounting** integrates invoices as accounting documents, but does not create them directly. 2. Employee Management - **Sage Commercial** does not manage employees, except possibly salespeople or sales agents. - **Sage Payroll** offers complete employee management: contracts, leave, absences, and payslips. - **Sage Accounting** does not manage employees, but receives payroll-related entries. 3. Legal Declarations - **Sage Commercial** allows for tax declarations such as VAT and sales tax. - **Sage Payroll** manages mandatory social security declarations (DSN, URSSAF, retirement, and health insurance). - **Sage Accounting** produces tax and legal documents: balance sheet, profit and loss statement, tax return.