Yep. When you submit a listing, just be sure to choose the "Store Item" format at the top of the listing editor (in Auctiva), fill out the relevant info, and you'll be good.
Also, make sure your eBay store categories in Auctiva are up to date. Go to "My Account", then "eBay Settings", then choose "Update Store Categories From eBay". Probably should do that first before making any listings.