I apologize for flooding the forum with so many topics.
When I export a storyboard into PDF my drawing is vertically centred within the page.
(option "Fit content to page" selected)
I guess it works well for real drawings but I build models of web pages and it's distracting having to move my eyes up and down when I navigate between pages. During real browsing the page is always vertically aligned to the top.
Unless I'm missing something, I can't specify vertical alignment in the Export to PDF dialogue. I would like to vote my +1 for having it there :-)
You are not the first to raise the issue of vertical alignment in PDFs.
So far my suggestion was to use a common template for all pages in a
story, for example with a Browser chrome. This way you can ensure that
all pages have the same height and not jump up and down when exported.
Let me know if this works for you.