If you are running SquaredUp for Azure on a virtual machine (VM) in Azure you will need to RDP to your SquaredUp VM. If this is a publicly facing VM this will be via its public IP address.
To do this you may need to open port 3389 as described in the Microsoft article:
As the Microsoft article advises, RDP port 3389 is exposed to the Internet. You should take appropriate measures to make this secure, such as using a VPN or private connection, see RDP Security Explained.
Log in using the credentials you specified when creating the VM.