The product has been marked as freware, but I don't see it on the official website anymore. The home URL directs to a page with general information. Since it's from Emerson, I don't think you can use this application in an office without a legal agreement or permission from the developers.
You will have to contact them in order to obtain additional information: http://www2.emersonprocess.com/en-US/contacts/Pages/ContactUs.aspx
Note: Choose the region on the right and then the contact options will be displayed.