You are able to track and manage all the items listed on your marketplace as an admin through the admin dashboard. In your Admin panel, under the User Mgmt. tab, click on Items (red box in image). If you are receiving complaints or bad feedback on any items, you can switch the “Purchasable” to “NO” (blue box in image). The item will no longer be visible on your marketplace and it cannot be checked out.
You may also delete the item if necessary by clicking on the "Trash" button (green box in image).
You are able to edit the item on behalf of your sellers at the moment, this can be done by logging into the seller’s portal by clicking on 'Users' under the 'User Mgmt.' tab.
If the item has been uploaded by you, you can edit the item by clicking on the 'Start Selling' button in your admin portal menu.