$ReportUrl = 'http://OurReportingServer/Reports/Pages/Report.aspx?ItemPath=%2fConfigMgr_PRD%2fSoftware+Updates+-+C+Deployment+States%2fStates+1+-+Enforcement+states+for+a+deployment'
$DropdownText = 'Updates - PILOT*'
$ie = New-Object -ComObject 'InternetExplorer.Application'
$ie.Visible = $true
$ie.Navigate($ReportUrl)
While ($ie.Busy) {Start-Sleep -Milliseconds 500}
$Option = $ie.Document.getElementsByTagName('OPTION') | Where-Object {$_.text -like $DropdownText}
$Option | select inner*, outer*, text
We need at least the ID of the dropdown