To simulate a scanned or printed card:
Tap the layer icon (top right) to see all elements. Ensure the text layers aren't locked so you can change the details.
To make the template look authentic for graphic design practice, you may need specific fonts like for the NIK or Arial/Helvetica for general text. You can install these in PixelLab by going to the Font menu and using the "My Fonts" tab to upload the .ttf or .otf files. How to Create, Save, Edit, and Use PixelLab Templates