SharePoint Usage Analytics Help

Looking for someone to enhance existing SharePoint usage statistics. Currently, SharePoint provides basic analytics, such as total unique visitors and page views. The goal is to take this one step further by identifying which departments visitors are coming from. For example, if a SharePoint page receives 600 unique visitors, the report should show a breakdown by department (IT, Finance, HR, Parks, Engineering, etc.). Ideally, a simple dashboard or report would include: Total unique visitors and page views. Visitor breakdown by department. Most visited SharePoint pages. Ability to filter by date and department. Preference is to use existing Microsoft 365 and SharePoint capabilities wherever possible, rather than building a completely new system. Looking for someone familiar with SharePoint, Microsoft Graph and Power BI who can recommend and implement a simple solution