Hi Jana,
Sorry for the inconvenience caused, we are available from Monday to Friday 10 am to 6pm so couldn’t provide your quick response.
Here is answer of your question:
a. Could you please make sure you are using page builder page template while constructing with page builder. http://prntscr.com/e51ul0. If this couldn’t help you then it will be better to consult with site origin page builder support forum.
b. You can find widget visibility module on appearance section: http://prntscr.com/e51uyk
c. We had replied this question on this support forum: https://www.styledthemes.com/forums/topic/posts-page/
Thanks
