If you are an administrator, here is how to share your vCard:

https://support.signitic.com/en/articles/8341532-deployer-le-module-vcard

You should then receive an e-mail like this:

So you can either Download your QR Code (which allows you to share your contact afterwards) or add it directly to AppleWallet by clicking on "Add to Apple Wallet".

Just click on "Add" in the top right-hand corner, and your vCard will appear in your Apple Wallet.

Now you can share your vCard wherever you are