Maybe this is already explained, but I can not find it. When I have a small piece and choose a player, I have 5 systems on the page but only at the top of the page. In Sibelius you can very easy stretch this so that all the systems are divided over the whole page. I know there is some option with vertical spacing, but is there not an easy way to do this just like in Sibelius?
Yes. Layout Options–Vertical Spacing–Vertical Justification. Set your percentage thresholds low.
If you wish to always do this, you can set those values as defaults.