The Print tweaks
When youre satisfied with your tweaks, punch the Export button in the top right corner.
Upload your PDF to the site, and youll be prompted to confirm some tweaks.
When youre happy with your options, hit the Add Watermark button.
Depending on the size of your file, it may take some time for it to be ready.
Download options
Here is what a potential watermark could look like:
Watermark