Open the link: https://app.powerbi.com/home

From the left navigation bar, select Apps (1) then enter Nexa (2) in the search bar, at the bottom all the related apps will pop up, and select the bottom displayed image(3).

Here, you will find respective reports "Nexa Reporting" and "Nexa Project Phase Length Analysis"

From the left navigation panel, select Nexa reporting (1) or  Nexa Project Phase Length Analysis (2) to switch between reports.