This is a common question nowadays, One must clearly understand the importance of international test to prove our English language skill, However IELTS /PTE /TOEFL follow the marking category and the exam pattern is different

1) IELTS is globally recognized and accepted by all the institutions worldwide
2)PTE is 100% accepted in Australia, NZ , UK, and 95% accepted in another country
3) TOEFL is 100% accepted in the USA, and UK and 95 % accepted in other country
However, people who have reading module difficulty Prefer the PTE exam as a preferred test