We understood that PAM Client will use the Java applets to connect RDP /SSH.
Release : 4.1
Which Java / JRE version does PAM client use and how frequently you will address vulnerabilities related to Java / JRE ?
WE verify java in every maintenance release, the last supported java version is added on pam client, you do not need to do anything as it is automatically downloaded from server when pam client login. So you do not have to worry about the java version as pam client will download for you.