NOC Required or Not for engineering visa holder in sharjah

Hi friends,
i would like to know NOC from sponsor is mandatory for all professions in sharjah or not. sharjah official site does not shows any exemption cases but dubai has such exemptions and in some article shows like its same on all emirates . Does anyone have a clear idea please help me out.

I Expect a prompt reply.

Thanks for the time and consideration.
Mohammed Fasir

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