Using pdf protected by password make _ghostscript-node_ fail, This is the **expected behaviour** from ghostscript. We need to add option to use `-sPDFPassword` and allow to user to pass the Password as parameter. https://ghostscript.com/docs/9.55.0/Use.htm 
Using pdf protected by password make ghostscript-node fail, This is the expected behaviour from ghostscript.
We need to add option to use
-sPDFPasswordand allow to user to pass the Password as parameter.https://ghostscript.com/docs/9.55.0/Use.htm