There is no harm or benefit from giving hepatitis B vaccine to someone with hepatitis B.

Since Hepatitis B vaccine only protects against Hepatitis B, the only thing the vaccine controls is Hepatitis B infections.

Once you have had Hepatitis B there is no need for a Hepatitis B vaccine. The vaccine is only effective for those who have not had the disease, it is used to prevent a hepatitis B infection.

There's a Hepatitis B vaccine that can prevent it.

No. It's not a live vaccine.