If there is a need to get a SCCM report mailed to a user on a schedule do the following!
Open the Reporting Services Configuration Manager and configure the SMTP settings as below.
Create Subscription at Reporting Services
Open a web browser and type the path to the reports: http://<servername>/Reports.
Choose a report and click at the arrow and select Subscribe.
Add the parameters as needed. I have added and changed some Collection parameters at my example.
Click OK to finish the setup.
To check or edit the subscriptions click “My Subscriptions”.
Create Subscription in SCCM 2012
Input parameters as needed.
Add a schedule.
Add parameters as needed.