#change here foldername to check
$foldername = "test"
$data = get-folder -Type VM | Where-Object {$_.name -eq $foldername}
if ($data -eq $null) {
Write-Host "$foldername Folder doesn't exist" -BackgroundColor Red
}
else {
Write-Host "$foldername Folder exists" -BackgroundColor DarkGreen
}
for complete report just use command
Get-Folder