Creates a pdf from the provided input.
createPDF(input: <#Variable#>, loop: <#Boolean#>, singlePageNumb: <#Type (WFPDFIncludedPages)#>, pageStart: <#String (Allows Variables)#>, pageEnd: <#String (Allows Variables)#>)
createPDF(input: images, loop: true, singlePageNumb: All Pages, pageStart: "", pageEnd: "")