BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
Sorry. i use the font but i still have same issue.
I have attached the input document and resultant PDF generated and please find it from below link
https://drive.google.com/file/d/0Bx680LekUQB0Mk9FMFFxbkc2R1U/view?usp=sharing
and the version of Essential Studio is 15.2.0.43 like below pic.