If the illusory images are not real, can a enemy make an Int Test to try to see the illusion after been attacked?

[illusory images without Phantasmal Illusion]

What is the max distance between the character and his illusory images?

Did the illusory images emit sounds?

It's seems that in truth the Mirage is weaker than Multiplication of Bodies, even with Phantasmal Illusion.