# Getting started with purchase orders
Purchase orders are an optional module in Fitek. Not every company uses them, and they're not turned on by default. If You see "Purchase orders" in Your left-side menu, it means the module is already active for Your company. If You don't see it ask from Your administrator (Fitek product manager can enable it.)
### **How the module is enabled**
The purchase orders module is managed per company. It depends what package your company is using. When the module is enabled, two things happen: the "Purchase orders" menu appears for users who have the right roles, and PO-specific settings become available in the configuration.
When the module is turned off, all PO-related settings are hidden automatically. So if Your company only works with invoices, You won't see any purchase order options cluttering Your screens.\
### **User roles**
Once the module is active, what You can do depends on Your role:
**PO creator:** You can create new purchase orders, fill in the details, add lines with products, quantities, and amounts.
**PO administrator:** You have broader rights over purchase orders, including configuration and correcting data. The exact scope depends on how Your company has set things up.
**Approver:** You can **approve or reject** purchase orders **when it is Your turn in the confirmation flow**.
**Auditor:** You can view purchase orders (and invoices) but can't modify anything. This role is for oversight and compliance.
**Cost objective settings**
If Your company uses cost objectives (like cost centres, projects, or other dimensions), You can configure them separately for purchase orders and invoices. For example, a dimension might be mandatory when creating an invoice but optional on a purchase order, or the other way around.
This is useful when You want tighter control at one stage of the process than the other. Your administrator can set this up under Settings → Accounting.\
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