After uploading the product it goes to "Under Jet Review" status.
In "Under Jet Review" status, jet team review all the product details. If any details are missing them it will be listed under "Missing Listing Data". Otherwise jet will check the Best Marketplace price for that sku, If product price is less than marketplace price, then it will be listed on jet.
If products are "Under Jet Review" status from more than 2 weeks , please try to contact with Jet team to make your products live.