In the Order Details section, you can see all the general information of your order such as : shipping & billing address, your Company, the delivery type selected for this order, the payment method, the order date and order origin, the invoice number, and detail pricing with discount information.
For specific orders, you can also see the Cost Center, the quotation ID converted to order, the approvers, extra reference orders, the name of the buyer, and any comment on the order that has been added in the checkout page.
In case the order has been through approval workflow, you can find details and comment from the approvers.
Tip: At the bottom of the Order detail section, you can also access to all packing slip & invoice download displayed in drop down list via the yellow buttons