$ErrorActionPreference = 'Stop'
$word = New-Object -ComObject Word.Application
$word.Visible = $false
try {
  $doc = $word.Documents.Open('E:\Desktop\xst_files\test\QaAutomationHub\output\docx_check\check.docx', $false, $true)
  $pages = $doc.ComputeStatistics(2)
  Write-Output "PAGES=$pages"
  $doc.SaveAs2('E:\Desktop\xst_files\test\QaAutomationHub\output\docx_check\check.pdf', 17)
  $doc.Close($false)
  Write-Output 'PDF-OK'
} finally {
  $word.Quit()
}