? import wav file from Dropbox?

Since we’re brand new to Cubasis, can you recommend an easy way to import.
We have wav files on dropbox that we want to get into Cubasis to work on and then upload back to dropbox.
I could email the file from dropbox to my iPad…would that work?
I know how to do all of this on a regular computer since we used to work with Cubase when we had our studio,
but not sure how to do it on an iPad.
Any suggestions would be greatly appreciated.