Acrobat is Adobe's PDF viewing software that also allows the user to easily upload print documents, manipulate, print, and manage PDFs. "Adobe Acrobat" is the program that is meant for upload, manipulation, and creation of PDFs while "Acrobat Reader" is the simple viewing program. Both are useful, and can be learned how to use.
Adobe has a great list of tutorials for the Acrobat softwares. The entire collection of tutorials can be found on Adobe's website, but we will list a few helpful ones below as well.