Raj, Domino 12.0.2 was developed and released on November 17, 2022. During that time, these were supported OS, hence the product system requirement shows it is supported on CentOS. Later, Red Hat announced the EOL of CentOS 7 and 8.
Refer the release note of Notes/Domino 1202 from the below link.
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0106491
You could use other equivalent version of Linux OS which has following kernel/packages:
7.5:
kernel 3.10.0-693 x86_64 or higher 3.x kernel
glibc 2.17-222 x86_64 or higher
libstdc++-4.8.5-28 x86_64 or higher
8.0:
kernel 4.18 x86_64 or higher 4.x kernel
glibc 2.28 x86_64 or higher
libstdc++-8.2.1 x86_64 or higher
9.0:
kernel-5.14 x86_64 or higher 5.14 kernel
glibc-2.34-28 x86_64 or higher
libstdc++-11.2.1 x86_64 or higher
This has been documented in the system requirement which you have referred.
It is not advised to run an application on the OS where you know you can't get the updates because of EOL. Updates on the OS are important as it covers latest security fixes along with other fixes.
Thank you
Regards
Shrikant J