Answer:
Yes, all you do is click 'share' on the top right and then copy the link, then you would send the link to said to person that has a icloud email.
I think it is double click
Answer:
Locate the author and request permission to use the material.
Explanation:
There are different types of copyright though, they may just point you at what type of copyright it has and you need to read it to figure out what you can/can't do with the material.
It appears on Document window tab