Just enable the feature you need. Whatever your business management needs (sales, human resources, logistics, stock, invoicing, accounting, manufacturing, etc.), you can review what you need and what you need. The combination of features / modules you've decided to use is ready in the "box" combination, in this room, it's almost ready for use without personalization, and you don't have to do any double entry in your information system.
Products and services can be managed, Customers, requests and customers directories can be tracked,
Address book can be managed, Inventory management can be tracked, Bank accounts can be managed and controlled,
Job offer, management and control can be provided, PDF design invoice management
PDF design, order management concept, management and control of contracts,
Payments management and control can be provided, such as simple features.