A good start would be to check out Operations Dashboard for ArcGIS
It would be a good addition if you are looking to add to your tool set as you can:
Use charts, gauges, maps, and other visual elements to reflect the status and performance of people, services, assets, and events in real time. From a dynamic dashboard, view the activities and key performance indicators most vital to meeting objectives.
One item to note, Power BI needs network connectivity and you don't have the ability view maps offline ArcGIS maps in Power BI service and Power BI Desktop by Esri
The advantage here is if you can make a good map with many functionalities that is were the real effectiveness of Operations Dashboard for ArcGIS comes into play. Here are some recommendations offered Create web maps for dashboards
- Setting refresh levels
- Switching Operational layer visibility
- Styling of data
Here are some examples Some Example Operations Dashboard for ArcGIS Apps & Resources
Can I embed another app within my dashboard? Yes. Use the embedded content element to do this.