How to Open PDF
1. Open a document (PDF)
At a pdf file that you want to open. please click on the “Open File”.
2. After open the file
You will see the green messege appers on the picture below. It means that the document is signed.
3. Open PDF file is Downloaded
We suggest the Adobe Acrobat Reader to open the pdf file. after that you will see the “Signed and all signatures are valid.” as below