Ask in the forum topic of the resource that does this. This question is too specific. If no such forum topic exists, ask in the ESX discord, their base forum topic or Github repository of the resource
Again, ask in the specific resources topic/discord/repository. This question is too specific
Ask it along with the questions above
For the menu being empty, ask in the topic of the resource. Invisibility is probably a wanted feature in that script so you don’t see your PED
No idea what a boss menu is. Just ask in the resource’s forum topic.
Along with that, when you do ask your questions in those topics, make it as detailed as possible! Tell them what you have tried, if you get any errors in your console (both server and client), what those errors are and what you think the intended behaviour should be.
Even if someone would want to answer these questions, the way you have asked them now is not enough info to go with.
Boss menu is in esx what gives like chief of police ability to hire people to police department in his office. I did this. I went to esx_policejob and there is config.lua there was enable player management, which means that boss of police department can hire new officers in his office. I finished editing and closed my filezilla, restarted server, joined, ran into office as chief of police, and it does not work, i close my game, shutdown my server, go into that same config and there it is same what it was before editing it, it was set to false again.