No. Inside of characters section of the editor is an interfaces tab. Here you assign which interfaces should be associated with your character.
As for the main interface itself, it should contain at least 1 button which is assigned as command status.
In regards to character not showing up. If the directions for specific animations exist (walk, idle & talk) but you haven't added any animations to those directions then the character will be invisible when facing those directions. Also if you don't assign an animation center to each character animation then the position of the character may be forced off the screen, as the animation center is what defines the position of the character during each character animation.
The way system for your scene is also important - well the borders section is important as it prevents the characters from leaving the playable area. If no border is present or you set the characters start position outside of the border then it is likely that the character will automatically wander off at start of the scene (often towards & out of the top left corner of the screen).
I
strongly recommend checking out some of the video tutorials
here, as they explain the minimum you need to be able to run your game, & how to go about sorting out what needs to be done.