import win32com.client
docx = "C:\\Users\\xwk\\Desktop\\12.docx"
pdf1 = "C:\\Users\\xwk\\Desktop\\12.pdf"
xlsx = "C:\\Users\\xwk\\Desktop\\22.xlsx"
pdf2 = "C:\\Users\\xwk\\Desktop\\22.pdf"
wpsFormatPdf = 17
wps = win32com.client.Dispatch("KWPS.Application")
doc = wps.Documents.Open(docx)
doc.SaveAs(pdf1, wpsFormatPdf)
doc.Close()
wps.Quit()

et = win32com.client.Dispatch('KET.Application.9')
workbook = et.Workbooks.Open(xlsx)
workbook.ExportAsFixedFormat(0, pdf2)
workbook.Close()
et.Quit()