The adobe reder is the best pdg readers in the world
You can view the file of large size very effectively and also view it nigh mode and also the Adobe reader contains the bookmark option and chapter option
So you can directly read the particular page or topic of a particular topic and also edit the pdf by registering on adob by some charge taken for service
You can convert the documents in word
I like this product because of its interfaces
I dialike this peoduct because of price