There are a lot of benefits to learning digital art. It is convenient and portable. Mistakes can be more easily undone. You also don't have to buy any art supplies or worry about supplies running out.
The downside is that sometimes tablets, drawing programs, and computers and computers can be a steep outright cost
Traditional art is very relaxing. The end of result is something you can hold in your hand or hang on your wall. You can experiment with many different mediums and mix mediums together
Traditional art can be less forgiving with mistakes depending on the medium.