Design font changes

I design anything with my creativity, It's very disgusting for me when i submit my vector files in adobe stock  .... after uploading files FONTS are changed automatically. After approving those files .... still the problem remains. It's very harmful for my designs, And it also effect my selling range.

Screenshot's are given below

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What is the reason for that problem ???

I hope  experts  will give me the answer,

THANK YOU 

very much.