The Narratives for Power BI works with Power BI Pro and Premium.  

For the Narratives for Power BI extension, additional requirements are:

1) Access to the Internet. The Narratives for Power BI extension operates as a web service. That means your Power BI dashboard will be sending data to and receiving narratives back from the cloud. Make sure any firewall or network rules you have set up allow you to communicate with the Internet.  Two sites will need to be accessible:

    1. the NS landing page:
    2. the NS Dynamic Narratives API Server page:

2) Ability to acquire Javascript and CSS from open source CDNs. For example: