Hi @ProefoFinance ,
When they open it in either the Power BI service or the Power BI mobile app, it's added to the Shared with me section of their Power BI account. To access your Shared with me section:
On the Power BI mobile app, tap More options (...) on the navigation bar and choose Shared with me.
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.