My AOI table looks like
I have the following settings in the map frame.
Notice the scale is not a round value.
I have tried to change the value for 'Margin around feature' to 0 but this doesn't change it. The AOI polygons are set to be exactly 1:10k, 5k, 2.5k
I have also tried to set the properties-->view settings to these values and also the override to be "Scale"
I was expecting functionality similar to Data Driven Pages in ArcMap - https://desktop.arcgis.com/en/arcmap/10.3/map/page-layouts/creating-data-driven-pages.htm#ESRI_SECTION1_9F531CE4A9E24F2D900F87CE6A328876
Linked to this, how can I get the scale bar and text to be a fixed length but change the tick marks based on the scale with the items centered?
with settings as
I am using 3.22