Adobe Reader 9.1 and Adobe Acrobat 9.1 are the latest software for the desktop. Acrobat.com is free and has limited functionality.
If you want to go beyond the simple conversion of images to PDFs, or if you want more control on the PDFs that you are creating, you would be recommended to purchase Acrobat Standard 9.1 or Acrobat Pro 9.1
Acrobat.com is a free service that allows basic storage, conversion and distribution of your files.
You can download PDFs converteed from other file formats from the My Files area.
Locate your file
Hover the mouse to the right of the file's name - a circle with an inverted triangle will appear; this is a button
Choose to download the PDF