If you upload a completed design with text that you want to edit, you can add a shape to cover the text on the template. In Customize, try the following:
- Select More on the left side
- Click on Shapes
- Double click the shape you want to add
- Select Fill on the left side to change the color of the shape. If you need it to match the color from an image on your template, click on select color from image, then select the color of the image
- Select Outline to change the outline color of the shape
- Now you can select Text and Add Text Box to add a text to the project and move it where needed on the template for editing