Sudo Login (or Masquerade) allows Administrators to log in as any regular user without asking for their password and without disconnecting them. Specially useful for configuring their workspace (filters, reports, dashboard) or to support users (reproduce issues, help them step by step, etc).
Other add-ons of interest
Analytic Reporting Tool Basic
Dynamic Reports and Interactive Charts.
Powerful tool for SuiteCRM report creation and data analytics. Includes a variety of chart types, detailed, summary and pivot tables. This Reporting Tool is for anyone, no need for technical knowledge or SQL. Comes with over a hundred prebuilt reports.
Be explicit about which users have access to each specific dashlet. Enable or disable dashlets for certain types of users regardless of what their permissions are to that module. Gives finer control over the data available to a user from the home page dashboard.