that actually only includes some config options (CPU freq, flash mode, flash size, general PSRAM activation, partition table).
The nitty gritty details on USB CDC activation, PSRAM type and JTAG adapter (debug_tool) are a bit hidden or not in the documentation, but can be found nit he forum. See e.g.
Can you file an issue at Issues · platformio/platformio-docs · GitHub that you did not find it clear how to configure PlatformIO for your board based on the current docs? They should improve it so we can just point to updated docs instead of doing per-user work.