Uploading to and retrieving files on a Motorola Moto E (2nd gen)

Hello everyone,

Here's hoping someone out there can help.

I have no problem (I think) getting something (I think it's a PDF) over to the Moto E smartphone recently purchased, but I just can't find it on the smart phone, a Motorola Moto E, second generation.

My computer is a Macbook (2008). I do not have an SD memory card.

I downloaded Android File Transfer on to my Macbook and transferred two things to the phone: one photograph and a drug book for medical professionals. On my smart phone, I was easily able to locate the photograph. However, I cannot find the drug book for medical professionals. (The drug book was originally transferred onto my Mac via a CD that came with the book.) In the Android file transfer box on my Mac, it was under Android/data. However, I do not have an option called Android/“data” to look for on my smart phone. So, how do I find the drug book on my phone? I know it’s there, because I noticed I lost space after the transfer. I just can’t find it.

I need to be able to pull up this drug book ANYTIME. In other words, it needs to be absolutely independent of the Internet/getting a wifi signal. The book was on my Mac, and not Internet-dependent, so the same should be true for the smart phone.

So really the question is: How do I find the corresponding files listed in Android Tranfer File that I see on my Mac when I use the USB to connect the phone to it, on my phone? And just so you know, those categories in the Android File Transferbox box are: Alarms, Android, DCIM, Download, Movies, Music, Notifications, Pictures, Podcasts, Ringtones.

Thank you.