How to sign pdf with Digital Signature Certificate (DSC)

Before you start, you need pdf file and Digital Signature Certificate (DSC)
Note: Here i am using Adobe Acrobat Reader DC (919.010.20098)

Step: 1
Open PDF file and Click on "More Tools"

Step: 2
Click on Open (Certificates)

Step: 3
Click on "Digitally Sign"

Step: 4
Choose Authorised Signatory Sign and Click on Continue

Step: 5
Click on Sign button and insert password

Step: 6
Your file has been signed successfully, now save your file.

Step: 7
Let's take a look how it looks

Thanks