I have 3 profiles - employee, manager, Admin. the employee created reports and admin /manager couldn't view the reports but they can see the records created by an employee. how can the admin/ manager see reports created by employee?

Hello @srikavya G,

Please adjust the sharing settings for the report folders. 

You can refer to this: https://help.salesforce.com/s/articleView?id=000393271&type=1