If you click on your main character picture on top left corner, you can see your current fame and receive your daily salary.
Daily Salaries is given, well, daily and it consists of Silvers and Potential Points. You can claim it after reset on 00.00 and AFTER your Fame Rank increase.
Once you get enough prestige, you can raise your fame rank. Higher fame will give you more stat bonus, better daily salary, and ability to bring & recruit more crew (MAX battle crew is 5 crew).