A gist to confirm that SharePoint Word Automation Service is working

WordAutomtionService.ps1

# Path to original steps: https://absolute-sharepoint.com/2016/09/test-the-word-automation-service-application-with-powershell.html
# Confirm if this path is same on your env
Add-Type -Path 'C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Office.Word.Server\v4.0_16.0.0.0__71e9bce111e9429c\Microsoft.Office.Word.Server.dll'

# Configure the job
$jobSettings = New-Object Microsoft.Office.Word.Server.Conversions.ConversionJobSettings
$jobSettings.OutputFormat = "PDF"

# Configure your word automation service name and credentials
$job = New-Object Microsoft.Office.Word.Server.Conversions.ConversionJob("Word Automation", $jobSettings)
$job.UserToken = (Get-SPWeb https://sharepoint.learn-sp2016.com).CurrentUser.UserToken

# Add location to file to convert
$job.AddFile("https://sharepoint.learn-sp2016.com/Shared%20Documents/Document1.docx", "https://sharepoint.learn-sp2016.com/Shared%20Documents/Document1-Final.pdf")

# Statrt the job
$job.Start()
Start-SPTimerJob "Word Automation"

# Monitor the job
new-object Microsoft.Office.Word.Server.Conversions.ConversionJobStatus("Word Automation", $job.JobId,$null);