What does Smartsheet system admin can do for improve Smartsheet usage in company?

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One Project Manager ask for Smartsheet system admin and he wants to help company to improve how to use Smartsheet.

I have one account only assign Smartsheet system admin no license not for any group. This account cannot access any sheet/dashboard/report. How can this system admin account to help? Change setting? that's not related to any Smartsheet.

Any idea/suggestion?

Thanks.