Advantages of pdfLaTeX
LaTeX users generate postscript output using dvips. An alternative is to use pdfTeX to generate PDF files directly. The PDF format offers a number of advantages over postscript:
Smaller uncompressed file sizes.
Much more efficient bitmap inclusion.
Availability of hyperlinks.
Better accessibility for inexperienced users.
Adobe’s Acrobat reader offers facilities for electronic presentations
Limitation of pdfTeX
1. postscript figures cannot [...]
