To enable Bluetooth capability, ensure and ensure MIDI Designer Pro is enabled to access Bluetooth. The setting is located in -

1.  Mac - System Preferences, Security & Privacy / Bluetooth, 
2.  Ipad or iPhone - Settings / Privacy / Bluetooth

MDP2 does not create a WIFI MIDI instance, but can join an established WIFI MIDI instance.

This article is a little dated, but the steps are still correct (the current MacOS displays have changed) - https://mididesigner.com/help/connect-via-wifi-macos/

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Export the saved selection 'MDP2_Manual_live' as pdf

Export namespace "manual:" to file Manual.pdf