There are a lot of free Power BI training options out there for business analysts and there is now training beyond that for your organization. Adam explores the latest free options that Microsoft has to grow and learn Power BI!
Microsoft Virtual Workshop Power BI Intro Training: https://www.microsoft.com/store/workshops-training-and-events/professionals#keyword=Power%20BI
Instructor Led Training: https://aka.ms/pbitraining
Power BI Learn Content: https://docs.microsoft.com/learn/powerplatform/power-bi
Guidance Documentation: https://docs.microsoft.com/power-bi/guidance/overview
Implementation Planning: https://docs.microsoft.com/power-bi/guidance/powerbi-implementation-planning-introduction