Installing Sage 50 2021 on Server Questions

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Hello First here is what I did. I installed sage on server and it gives link to install on workstations. However first question is do I need to install on workstations or can I connect directly through terminal server?

I tried installing on a workstation and it errors out saying it cannot find folder. Which I am unable to access.

2019win server hosted elsewhere so I log in through remote desktop on another computer which seems to be able to log in fine to sage 50 but no other ones can