I do not understand why JSF does not have it.
I know ADF Faces have it.
Because JSF is a specification. You need to find an implementation of the JSF specification that contains the components you need and use that.
I working in a company and does not seem right to download it.
Meaning your company does not allow the use of open source software or you are concerned that the license for the library does not allow companies to use it? Most open source libraries can be used in a corporate environment without any licensing issues.