Once the extension is installed successfully, go to Stores > Configuration to configure the extension for use.
Sticky Add To Cart: Enable or Disable extension from here.
Show Product Image: Set YES for displaying product image on the frontend of your store.
Show Product Name: Set YES for displaying product name on the frontend of your store.
Show Product Price: Set YES for displaying product price on the frontend of your store.
Show Product SKU: Set YES for displaying product SKU on the frontend of your store.
Show Product Qty: Set YES for displaying product quantity on the frontend of your store.
Position: Select the position of your sticky top-bottom from here.
Show Add to Cart Button: Set YES for displaying add to cart on the frontend of your store.
Sticky Background Color: Set color as per your choice for the background of your sticky.
Button Background Color: Set color as per your choice for the background of the button.
Product Name Color: Set color as per your choice for the product name.
Product SKU Color: Set color as per your choice for the product SKU.
Product Price Color: Set color as per your choice for the product Price.