I don't see the point in multiple manuals. Frankly, the contradictions are more likely to be confusing than helpful.
One manual for The End of The World, everything else you need is online.
Those loads are the Hodgdon listed starting load. You should expect them to be light. You might get soot on the outside of the case because they don't seal well since the pressure will be low.
You should expect immense satisfaction and the beginning of an addiction to a new hobby.