Need opinion about an approach used to query data for presentation and for report

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SQL

SQL-Server

T-SQL

Dear all,

I require your opinion on what approach is good and/or practical for the following scenario.

There is a web application which queries data from SQL server.
For example:

Users report to a manager
1. The process by clicking a button is finding who reports to me (manager)
2. So there is a stored procedure written to find the users reporting to the manager

Now, there is a report (rdlc on the web server displayed via reportviewer control) which takes the manager as an input to generate report data for the staff members reporting to that manager.
The stored procedure for this report uses existing stored procedure (as in step 2 above) to find the staff members reporting to the manager and then generate required data.

My question is:
1. Is this the right way of doing this
2. Is there a need to develop a separate SQL view just for this report
3. What would be the best approach on doing this.

Please help.

Thanks

Regards,
Nayan