The Scheduler can export and e-mail a single report at a time. Instead you can schedule several reports to be sent to the same recipient - Scheduled Tasks Management
Please feel free to create a feature request
for having multiple attachments to a single report in Telerik Report Server. Features are considered for implementation based on the demand for them.
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Feedback Portal
and vote to affect the priority of the items