On the layout tab of ArcMap you could rt click properties and change the reference scale so that all labels/symbols would change size and I can't find that in ArcPro.
Yes, this is available in Pro under the Map properties. You can change the reference scale by right clicking on your map in the layout, and selecting properties at the bottom. Then, in the general page you can change the reference scale.
Signed in members can post, follow updates, and more. New here? Register a free account.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.