How Can I Open Pdf File From Ftp Server

Yes, it's most likely possible, but you will have to write some code to make it happen.

No, you don't get the code from here. This is not free-code-service. Look around the internet (use search engines), find examples, study documentation and adapt what you find to your needs. Then if you get to the point where you don't know how to solve something, come here and ask the question. You describe the problem, post your code and we help you.