To upload or remove watermarks on documents, the following guidelines will help you.
Click on Configuration on the left side pane
Select Configure school info.
Click on Watermark.
4. Click on Select a section to select a section that you want to upload or remove a watermark from.
5. Select Change to choose a file.
6. Click on Choose file to select it
7. Click Upload, to upload the file that you want to appear as a watermark
8. OR click on Remove if you want to remove it.