You may change some of the options within your stores product pages by opening: Themes > Customize theme and opening a product page within your themes preview.
Thumbnail position - Choose to show additional image thumbnails to the left or right of the main image of your products
Show variant SKU - Toggles the visibility of the SKU assigned to your products variants
Show Vendor - Toggle the vendor visibility
Product page note - Add a brief text section to your product pages to inform customers of any promotions or shipping deals that you have.