If you added the correct amount of hardener, there should be no smell at all. If after sevral days it is still tacky, sprinkle it with baby powder.
Your question is confiusing but if I get the gist of it, many people remove it after putting fiberglass. Personally, I remove it after a couple of resin coats. It's much easier to do than when you have fiberglass on.
Unless you want to look like a walking bobblehead, put the paddings in.
Majority put fans inside. It also helps prevent fogging, in addition to comfort.