when run request in oracle ebs the output is not clear then i copy files from tools then view Arabic language in web page like ???? or 
in output request appear arabic language clear but not in current place
What you mean by "not clear". You should have correct configuration to get the Arabic language output in PDF or HTML.
not clear in direction for arabic language
please could you provide us with this configuration ?
Please attach the output for review. Also provide more information about your environment like(OS, Reports version)
Correct answer in this link :-
this issue appears in PDF output