Could you please provide how you are running these PowerShell cmdlets? Are you using a Run .Net Script runbook activity?
These cmdlets probably require the 64-Bit PowerShell, as I mentioned in your other thread, try running with the methods I provided:
https://learn.microsoft.com/en-us/answers/questions/185401/execute-the-script-in-orchetrator-runbook-to-chang.html
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Best regards,
Leon