Hello Yuvaraj,

Yes, you can do it easily from Settings. Please Follow the steps

Step 1: Activate Debug mode

Step 2 : Goto Settings > Technical > Reporting > Reports

Step 3 : Find the Reports which you wish to store and Open It with Form View

Step 4 : Under Advanced Properties , you will have option for Save as Attachment, Set the filename value ( e.g object.name.replace('/','_')+'.pdf'

Thanks

Dhaval