Multiple pdf's open in separate tabs?

[iMore Question]

Hi All

Have just purchased PDF Expert 5 for my iPhone 6 Plus and iPad. Is there an option for moving between multiple open PDF's? eg clicking on a tab? Can't seem to see if there is.

 

[Just_Me_D]

You know, I've used this app quite a bit in the past and really never thought about separate tabs until I read your post. Of course, I opened a couple of .pdf files via the app and it drove me crazy not being able to find a quick switch mechanism other than by tapping the back arrow...