• Is this a 3/4 waltz with a pause after every two measures?

I choosed for an extra beat. It seems ok to me when I listen to the midi file.

• In this sheet the music spacing of my software isn't good. In the first measure, the second note in the right hand is too close to the second beat. It should be:

If in doubt, use the music system of writing down the rhythm, which is very logic, pure mathematics!: