Powershell to add group permissions to folder, shows as SID

Here is my code: Using "S.S.A." for "System.Security.AccessControl."

$GetACL = Get-Acl $Path
$Access = "domain\$SamID"
 
$Permission = [S.S.A.FileSystemRights]"Modify, Synchronize"
$Inheri = [S.S.A.InheritanceFlags]"ContainerInherit, ObjectInherit"
$Allpropagation = [S.S.A.PropagationFlags]"None"
 
$AccessRule = New-Object S.S.A.FileSystemAccessRule($Access, $Permission, $Inheri, $Allpropagation, "Allow")
 
if ($GetACL.Access | Where { $_.IdentityReference -eq $Access})
    {
    Write-Host "Modifying Permissions For: $Access" -ForeGroundColor Yellow
    $AccessModification = New-Object system.security.AccessControl.AccessControlModification
    $AccessModification.value__ = 2
    $Modification = $False
    $GetACL.ModifyAccessRule($AccessModification, $AccessRule, [ref]$Modification) | Out-Null
	}
Else
    {
	Write-Host "Adding Permission: $Permission For: $Access"
	$GetACL.AddAccessRule($AccessRule)
	}
 
Set-Acl -aclobject $GetACL -Path $Path

 

It applies the group with the correct permissions, but appears as the SID when I look at the rights for the folder. I have checked and the SID that shows up with rights to the folder matches the SID of the group in ADSI Edit that I expected to show up. Is there some issue with my code or something else?