Hi,
from Olive Tree Bible I got to know that it is possible to have the sermon notes on one side and the actual Bible on the other side of the screen. See for example step 4:
https://www.olivetree.com/blog/read-enhanced-sermons/
What do you think about having a similar functionality in the preaching mode. Then you are not stuck to the Bible verses you prepared and you can easily read further on.
Thank you and blessings
Thomas