Moved your post to the .NET Forum.
On the overview tab there is a link to the Licensing models which should explain it all.
The runtime is free to download and develop with. Distributing or selling a desktop application is not.
The Licensing link should explain it all, if you have any questions call Sales. And if you need or want Support other than forums do as Dell suggests and talk to the OEM Sales team, they can explain it and if being an OEM Partner is the right model for you. Or even if you comply to be one...
Go here for more info and contact info:
Business Intelligence Tools | BI & Analytics | SAP
Don