have many thread about your topic i suggest with you being a newbie read the old threads regarding your question and also your are asking about how to withdraw bitcoin, go to bitcoin discussion, this is trading discussion section.
please before i answer your question find the bitcointalk rules and reugulation you can get guide how to effective member in this forum,
yes you can withdraw your bitcoin via paypal but makes sure paypal accepting to your country in exchange, i use my local wallet to withdraw my bitcoin converting into cash.