@vbuch I can add digital sign of user 1 in pdf and want to add user 2 digital sign after some time . After adding user 2 sign , user 1 sign gets invalid. So please guide so that both digtial sign at different time must be valid in same pdf. thanks in advance.
@vbuch I can add digital sign of user 1 in pdf and want to add user 2 digital sign after some time . After adding user 2 sign , user 1 sign gets invalid. So please guide so that both digtial sign at different time must be valid in same pdf. thanks in advance.