I'll try to paraphrase what I think you want. If you agree, then people can help you on that track.

• there's a CVS code repository with some perl code
• the perl code has POD embedded in it
• I know I can use pod2html or other tricks to make HTML docs
• I don't know how to keep my HTML docs up-to-date with the latest code in CVS

If you phrase things cleanly and crisply, solutions come out into plain sight.

For example, there are two big options:

1. put the HTML into CVS and trigger HTML updates whenever anyone checks in POD code
2. occasionally regenerate the HTML from scratch by checking out all the POD code into a temporary sandbox

Benefits of #1: a user's checkout gets matching POD and HTML. Benefits of #2: less complicated and more portable to other version control mechanisms.