EV home charging with charge card by employer

I'm planning to install EV charging station at my home in the Nederlands. I drive a company car. My employer has no business settlement subscription. So employer specifically said I will have to find a charging station provider who can do the business settlement. I initially checked with coolblue, vattenfal providers. They do business settlements but I always have to use their charging cards. Lets say I got out of this company and I have a private card I cannot just plug and use the charger, instead I always should have a subscribed charging card from these providers.

So I decided to go with Zaptec Go2. But I have some questions on this,

• I'm planning to get e-flux individual subscription and connect Zaptec with e-flux via OCPP. If I do that can I use my charging card (MTC) in Zaptec? Does Zaptec allows using MTC charging cards as well?
• If I connect with e-flux, can anyone come and use my charging station with a charge card? If so is there anyway I can restrict it? May be via Zaptec app or e-flux app?
• After connecting to e-flux is there anyway I can use to charge private car (lets say friends/family) which will not incur the cost to my employer but it will just gets adds to my electricity bill. Is it possible?

Appreciate if anyone who has done this integration responds with their experiences.