Two versions of Power BI; Power BI Pro and Power BI Premium.
For the Entry Level, we will choose Power Bi Pro. This is providing to you all the functionality in the Azure cloud for a less cost per user per month.
need to refresh the reports more than 8 times per day.
In that case, The Power BI Premium is the right choice. Power BI Premium is expensive, also you get a dedicated node(coputer resource) in Asure . So,you won’t need as many Power BI Pro licenses.
In Azure allowing you to be more responsive to your business growth requirments.