Crystal Report Publishing

Hi,

We want to use Crystal reports. We want to connect to SAP.We dont have Business objects launchpad/info view

We are having crystal repors 2013. and we dont have dotnet sharepoint and we have SAP.

How the end users will view crystal report?

Will end users need to have crystal report viewer installed in front end? or only through portal?

Can it be connected to SAP EP (enterprise portal)?

Hoa