Hi Mikitaka,
Thank you for your interest in Syncfusion products.
We created a simple sample and updated the sample in the
below link.
Sample: 10.4.0.53_GettingStrated.zip
We can begin searching and highlighting text by pressing “Ctrl+F”
in the PdfViewer control. Please try sample and let us know whether this sample
suits your requirement.
Regards,
Meikandan