Microsoft project and Power BI

Hello Gurus,

I have portfolio of projects in microsoft project, i wanted to calculate the level of effort required in the project in 2 different ways - 

1. Milestone and its critical path effort hours and its variance from Baseline - how would i get the critical path in power BI

2. Display the current work and find out if they are laggin, leading as per the planned work 

Appreciate your help