How to Generate PDF corresponding Font Style

Question

hi

recently ,I Work with a RDLC Report ,using the tools of Reporting services and the font family is "Arial Unicode MS",

Then I deployed the project to the sever,when I export the report to PDF,

Issue

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It can not display the Tamil Character

It can not display the Tamil Character ,

It can not display the Tamil Character

while i Print it ,the Tamil Characters can display correctly,Do you have any suggestions or solution?

any one guide me.