If you ever wonder, if Crystal Reports can be used on the cloud in Windows Azure, well the answer is you can.
These two links provides some guidance on this matter:
http://scn.sap.com/people/coy.yonce/blog/2011/05/02/sap-crystal-reports-and-microsoft-sql-azure (this one is in English)
http://blogs.msdn.com/b/luispanzano/archive/2011/04/11/crystal-reports-en-windows-azure.aspx (this one is in Spanish but Bing and Google Translate do a nice work here ;) )