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.
Show product vendors - Display the brand associated with your product
Thumbnail alignment - Choose to show additional image thumbnails to the left, right or beneath the main image of your products
Show variant SKU - Toggles the visibility of the SKU assigned to your products variants
Related products position - Show related items from the same collection on your product page to the right or the product description or below the content on the page.
Additional content popups - Add more content to your product pages. This could include a returns policy, size chart or any other static content