The Order Entry Permissions section at the bottom of an employee's Details tab provides an administrator with the ability to configure the order entry experience for a particular employee, assuming that these permissions have not already been set at the Organization level (as described in Configuring Order Entry Permissions for an Organization's Employees). Many of the same configuration options are also available at the Products level. The Order Entry Permissions are:

Do not use the Employees service to set permissions for all employees of an organization, or to configure pricing options for individual products. If permissions are given at the organization level, that overrides settings on the employee level.