Both the Acrobat and the Reader share a common purpose of document reading. The difference between the two from simple; while the reader is used primary to read PDF files, the Acrobat is used to create PDF Files. Furthermore, acrobat can be directly integrated with other Adobe based applications to avail the image/document editing process. Also, there are certain subscription based plans which are exclusive to acrobat.
Also, you will adobe reader is coming as a default PDF reading application in Windows Support.