No I don't think there's a specific entrance for VIP, maybe they'll direct you after to another area because there's only one entrance where they check you. But yes seats are assigned...so your seat will be there if you get there late.
I highly suggest arriving on time to be honest it fills up fast yes there is a side entrance the door man will guide you super helpful staff there to be honest. There is also paid parking close by decent price and gated for security. But you'll see the the line for VIP ticket holders at venue. Enjoy
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