https://www.pbainbridge.co.uk/2021/10/convert-google-doc-to-pdf-in-given.html

Convert Google Doc to PDF in a given folder.gs

function docToPDF() {


  // ID of Google Doc
  var docID = 'ENTER ID HERE';

  // ID of destination folder
  var folderID = 'ENTER ID HERE';


  // get Google Drive folder
  var folder = DriveApp.getFolderById(folderID);

  // get Google Doc file
  var file = DriveApp.getFileById(docID);

  // get file content as PDF blob
  var pdfBlob = file.getAs('application/pdf');

  // create new PDF file in Google Drive folder
  folder.createFile(pdfBlob);


  // delete original Google Doc file
  file.setTrashed(true);


}