Yes, we can show connections in Map My Relationship view. You would need to configure the view by adding a appropriate 1:N relationship name.
Yes, it is possible. We can show 1:N, N:1 and N:N related records in the Map My Relationships view.
Once the solution is imported, please follow the below steps to activate all the processes of Map My Relationships.
Click on the gear icon --> Select Advanced Settings.
Next, select Processes.
From 'All Process' View activate the process shown in the below screenshot: