To see Opportunity related menus under Organization level > Admin > Categories, ensure your user role has necessary permissions.
To enable the menus:
- Navigate to Organization level > Admin > Organization > Security Roles.
- Select a role from the Manage Security Roles list view.
- Go to the Permissions tab.
- Expand Administrator.
- Scroll down to Opportunity Properties settings.
- Select the Add or Edit checkbox.
The user with the security role you gave permissions to, will now be able to see the menus.