These different converters modules enables you to convert your existin documents to the above formats. These are all parts of our Document Converter produt.
Here you can post all the installation and usage issues related to the document converters including our latest DOCX Converter
I suggest that you print the file to the PDF Printer without Tiff option, after getting the PDF file you can export it to Tiff. I suspect that the export to tiff is taking some time because of the optimization, the pdf generation itself is not supposed to take considerable time.