The user Library folder is hidden by default in the 10.7 and later releases of Mac OS. If you need to access these files to troubleshoot a problem with one of your Adobe applications, use one of the following methods to make the user library content visible.
Hold down the Alt (Option) key when using the Go menu. The user Library folder is listed below the current user's home directory.
Note: After you open the Library folder, you can drag the Library icon from the top of that window to the Dock, Side Bar, or toolbar to make it readily accessible.
The following method makes the user Library folder permanently visible.
Note: Adobe recommends that only advanced users use this method.
For more information, explanations, and ideas, see 18 ways to view the ~/Library folder in Lion and Mountain Lion.