I actually deciphered some code, and for anyone looking to do something similar here is what I used
function autoFillGoogleDocFromForm(e) {
var timestamp = e.values[0];
var firstName = e.values[1];
var lastName = e.values[2];
var title = e.values[3];
var templateFile = DriveApp.getFileById("1kDdRla8OLjtG7DxY1Zu1VHvE2mZx6qnt-WoUTz7-eyk");
var templateResponseFolder = DriveApp.getFolderById("14Tp3zsFDr3d4L4vHOKOvH8sR2uSkuPdm");
var copy = templateFile.makeCopy(lastName + ', ' + firstName, templateResponseFolder);
var doc = DocumentApp.openById(copy.getId());
var body = doc.getBody();
body.replaceText("{{FirstName}}", firstName);
body.replaceText("{{LastName}}", lastName);
body.replaceText("{{Title}}", title);
doc.saveAndClose();