I am currently installing the Anonymous Login for LL9.7SP1. As per the related document this module is a PS service package. PS service packages are developed by OpenText Professional Services to fill in a need for functionality that is at the moment not addressed by opentext or Affinity Partners of OpenText.
These Packages are "AS-IS Packages". This means that OpenText delivers no maintenance, upgrades or support for these packages.
Not sure if they have Anonymous Login for lower versions of Livelink.
Is there any kind of documentation available for this module, interms of what it offers? what components it has (web/mobile etc)?
Anonymous Login is one of the many modules that is designed and maintained by the OT Professional Services. Documentation & other related services for such modules are available only through them.
I suggest that you get in touch with them or via the relevant PS agreement through which this module was acquired by your organisation.
Thanks,
Pramod