IBM Security Access Manager V9.0 is known for its capabilities in managing and securing user access to multiple platforms. Single Sign On enables users to authenticate once and gain access to various systems without having to log in multiple times, which is a key feature of this platform. Additionally, User Access Management for web, mobile, and cloud applications is integral to controlling and managing user permissions across diverse environments, ensuring secure and efficient access management. These capabilities align well with the main functionalities of IBM Security Access Manager.