Named User licensing in ArcGIS Online
ArcGIS Pro Named User licensing
*Note that with the June 2019 ArcGIS Online update, it is now possible to Configure new member defaults so that newly added members will automatically be assigned an ArcGIS Pro license, streamlining the set up experience.
http://www.esri.com/library/brochures/pdfs/arcgis-pro-terminology-guide.pdf
Migrate to ArcGIS Pro learning plan
ArcGIS Pro Fundamentals learning plan
Learn.arcgis.com Lesson Gallery
Migrating from ArcMap to ArcGIS Pro
ArcGIS Pro: Essential Workflows
Map layouts: Work with a table frame, Work with a grid, Build a spatial map series
Reports: Create and modify a report
Geocoding series beginning with: Find addresses
Network Analyst series beginning with: Calculate the travel time between origins and destinations with OD Cost Matrix
Data Reviewer series beginning with: Add Reviewer error results to your project
ModelBuilder series beginning with: Work with Iterate Feature Classes
Spatial Data Science: The New Frontier in Analytics
Import a style into the project
Analyze custom geoprocessing tools for ArcGIS Pro
Python migration from 10.x to ArcGIS Pro
Migrating from arcpy.mapping to ArcGIS Pro
Migrating arcpy.na to ArcGIS Pro
ModelBuilder: migration to ArcGIS Pro
Migrate raster catalogs to geodatabase mosaic datasets
Migration from ArcMap to ArcGIS Pro for data validation
Going Pro: ArcGIS Pro Essentials for ArcMap Users
ArcGIS Pro: Analysis and Geoprocessing Essentials
ArcGIS Pro Tips: Why Undo is Underrated
ArcGIS Pro Tips: Get Your Maps in Sync
ArcGIS Pro Tips: Scroll Around The World
ArcGIS Pro Tips: Shortcut Savvy Navigation
ArcGIS Pro Tips: Scale-Based Symbol Sizing
ArcGIS Pro Tips: Thinking About Linking – 2D and 3D Views
ArcGIS Pro Tips: 5 Tips For Fixing Broken Data Links
ArcGIS Pro Tips: Save Time With Bookmarks
ArcGIS Pro Tips: Group Templates, Galleries, & Grids Make Editing a Snap
ArcGIS Pro Tips: This Might Just Be Your Favorite Tip Ever
ArcGIS Pro Tips: Customize Without a Line of Code
ArcGIS Pro SDK Development Series, Part 1: Getting Started
ArcGIS Pro SDK Development Series, Part 2: Learning the Pro SDK
What's New in the ArcGIS Pro SDK 2.6
Switching to ArcGIS Pro from ArcMap
Getting to Know ArcGIS Pro (second edition, updated for ArcGIS Pro 2.3) Look out for the 2.6 edition later this year!
GIS Tutorial for ArcGIS Pro 2.6
Focus on Geodatabases in ArcGIS Pro
Python Scripting for ArcGIS Pro
Advanced Python Scripting for ArcGIS Pro
GIS Tutorial 1 for ArcGIS Pro: A Platform Workbook
Understanding GIS: An ArcGIS Pro Project Workbook, fourth edition
Making Spatial Decisions Using ArcGIS Pro: A Workbook
There is also a well-designed training guide put together by Training Services that you can find at https://community.esri.com/community/education/blog/2018/05/24/arcgis-pro-training-guide-may-2018?sr...