1. The A.G PRO Tools offer perfect Articulation Chasing for the Instruments which support Key Switching cause this is powered by the Logic Track Based Automation.
2. You can transpose the MIDI regions as you want without affection the KS cause they are embedded into Automation (TBA).
3. There are no problems if you want to print your MIDI music to score (the Key Switch Note events are not printed).
4. All A.G Logic X PRO tools support CUSTOM NAMES Articulation (or MIDI Channel Name) Assignments which are shown directly in the Logic Automation. The regular Key Switches or Control Change messages (which are supported for the most of the Sample Libraries) can not be renamed to the corresponded sample library articulation names.