Step 1: Toggle the solution by clicking the show solution button on the middle right part of your web application.

You will now see the solutions just right under every puzzle. 

Step 2: To be able to edit the solution design, open the global/local settings.

Step 3: To be able to edit the solution design for all pages, open the global settings.

You will see the Word Search Puzzle Solution Settings. In here, you have options if you want to show solution words only, circle solution letters and show bounding boxes. Feel free to try toggling these options until you are satisfied. 

You can also change the letter and border colors of your solutions by picking the colors of your choice in color palettes.