looking at your schem of hv9910b you have a cap from vin to input_positive, and that is not good.
The Eagle (cadsoftusa) cad system is very easy once you know how.
It has more beginners tutorials on the web than any other.
Try the tangentsoft.net tutorials for it
He does one for schematc drawing
one for pcb layout,
and one for putting the components in the library (drawing the footprints)
They are very good
Do you know the basic structure of a double sided pcb?.....if you do not then you will never be able to use any package.
A double sided pcb is a piece of fibreglass sheet, with metal tracks and pads on each side, and holes which are copper coated going from one side to the other, and all over the pcb, except on the pads, you have a film of material called solder resist, which weirdly repels solder and stops it from forming unwanted shorts between the pads.
There is also the silkscreen lettering.
Each thing, (like eg the solder resist), is deemed to be a "layer".
A little confusing is the fact that there is not a solder-resist layer, but instead a "solder mask" layer, and "solder mask" is those bits where "solder resist" doesn't exist.
Here is some eagle tutorials...
schematic creation in eagle
creating pcb in eagle
creating circuit symbols
creating component footprints
here is the route page
https://tangentsoft.net/elec/movies/
Here is the schematic...attached
Also attached is a simulation of how the HV9910B led driver will work, in LTspice, a free download from linear.com