>>126898278
For positions it's just memorising them. Every position within a scale is a different shape, but the shapes are the same across all the scales, you just move them around.
The full chromatic scale is A, A#, B, C, C#, D, D#, E, F, F#, G, G#, then back to A.
Position 1 of C minor pentatonic starts at fret 8, with the root note C on the low string.
Position 1 of C# minor pentatonic starts at fret 9, with the root note C# on the low string.
Notice how the shapes are identical, but they moved up a fret.
The same logic carries for all the others. D is 2 notes higher than C, so its first position is 2 frets higher. G is 7 notes higher than C, so its first position is 7 frets higher.
Once you memorise the shapes, and the position of the notes, you can jump to any given position of any given scale.
Not sure if that's what you're actually asking, but hopefully it's helpful for wrapping your head around it.
https://www.all-guitar-chords.com/scales is a great tool for going over these.