You can add a clickable link to an image or sticker component, or make an entire single-image display clickable, by using the Link section in the editor.
Steps
Link an image or sticker component
Click the image or sticker component you want to link in the left panel of the editor.
Scroll down to the Link section.
Enter your URL in the link field.
Link an entire single-image display
Only single-image type displays can have the entire popup area linked.
Create a display using the Single Image type.
In the editor, scroll to the Link section and enter your URL.
How to Add a Partial Link to an Image
You can add a link to a specific area of an image by using the "Add Partial Link" button.
Steps
In the left panel of the editor, click the image or sticker component you want to link.
In the Link section, click "Add Partial Link".
Cover the area you want to link with the anchor, then click "Set".