Creating a mosaic dataset containing raster data from multiple dates—Help | ArcGIS Desktop is using ArcMap to create this master mosaic dataset of multiple dates. Is there a similar workflow using ArcGIS Pro?
Jake is correct, this workflow is essentially the same with Pro. If you want to dig deeper, start at http://esriurl.com/ImageManagement and look for the link to Preprocessed Orthos at http://doc.arcgis.com/en/imagery/workflows/managing-preprocessed-orthophotos/overview/
There you will find scripts to allow you to automate creation of your Mosaic Datasets.