Orders Report can be accessed by clicking EShop -> Reports -> Orders menu item. You can filter orders based on Start Date, End Date and Order Status. Group orders by Years, Months, Weeks or Days.
Viewed Products Report can be accessed by clicking EShop -> Reports -> Viewed Products menu item. This report show total hits and corresponding percentage for each product in your store.
Purchased Products Report can be accessed by clicking EShop -> Reports -> Purchased menu item. This report will show purchased information (quantity, total) for each product.