Hmmm. Oops! There’s a couple things to do for the future. Put a piece of 1/4” plywood in the closet to lay down on the floor in the future. To repair the holes you need to use some fine sand paper to reduce the tiny raised ridges around the holes. The tip of the dart will open the wood and force some of the laminate out and up creating a tiny ridge. That has to go. This will leave scuffing from LIGHT sanding using your fingertip and a small bit of paper and these will have to be rematched to the rest of the floor after you fill the holes. Mohawk Floor Products (check online) sells a hard wax in different colors meant to repair dents in furniture. That’s fine if this is an edge where no one walks but if people actually walk over this area you will need the kneaded mixed epoxy clay that they offer in over 120 colors as of last count for about $12.00 and some postage. Call the customer service and ask for a recommendation of color, take a picture with a good phone or tablet camera and let them help you match the color…otherwise it looks…”unprofessional”…or like your floor came down with Chicken Spots! Once you get this, mix thoroughly and use your finger (wear a nitril glove!) to push the epoxy mud deeply into each hole. Wait for it to dry to see if you need to stain the area to match the color of the floor. If so, get back with Mohawk and get the proper stain/finish and you can do it all at once. I normally use a spray on oil based coloration (a plastic squeeze spray bottle) and mix and match tints until it is right but you should just get one color and do your best (you can end up easily with $1200 in product if you don’t just accept close enough). Once dyed properly then use a laminate floor sealer from a big box store (or a hardwood flooring shop…which will be better) and seal the putty, tinting and roughened spot to match the surrounding area. Most laminate floors are shiny but actually the finish is Matte. At most it is semigloss. Do NOT use gloss or high gloss finish or it will stand out. Flooring has to match REALLY well or you will be explaining to guests what happened for the next 30 years…nobody wants that. I don’t know what this costs now but 25 years ago I would have charged a client or insurance company about $400 to do a 25sq’ area and it would taken a couple hours each day for three days to get it all right. Nowadays at about $300 per hour…do it yourself! You NEED to do this right or you are going to lose your deposit and pay the extra cost out of pocket when the owner sues you. CALL MOWHAWK…GET IT RIGHT!