Hi there,
Is there a way to control the size of each 'article' or the overall height?
I'm very sorry. There are no available settings to achieve this. You'll need to do customization in order to achieve this.
Having said that, if you require us to perform the customization for you, you can always request a quote from us by submitting a request at
https://stackideas.com/customization-works. Our salesperson would gladly send you a quote for the customization that you have requested.
Thanks.