Q: i am not able to view my pdf files of iphone 6plus in my compueter icloud drive. It is said that all my pdf files would be automaticvally upload to icloud drive. I am using widows10 in my computer

I am not able to view my PDF files of my iphone6plus in my computer in Icloud. It is said that the files will be automatically uploaded to icloud drive. but my icloud drive is empty. I uploaded my PDF files through Itunes in my computer and later synced them to my iphone.