Hi,
https://technet.microsoft.com/en-us/library/ff793463(v=sql.105).aspx

i.e.,
1)  Double click on box script component
2)  Edit  Script (down-right)
3)  Right click References (Under Solution Explorer tree)/ Add Service Reference
4) ...

Hello,

upon having installation finished, what is the way of using ReportGenerator?

Thanks