Store PDF files in SQL Server VARBINARY

PDF files can be stored as SQL Server VARBINARY data.

CREATE TABLE MediaTable (
ID INT IDENTITY(1,1) PRIMARY KEY,
FileName NVARCHAR(50),
FileContent VARBINARY(MAX)
);

DBBlobEditor can help you to store PDF files as SQL Server VARBINARY data:

View PDF stored in SQL Server IMAGE / VARBINARY(MAX) field

Batch import pdf files into SQL Server IMAGE / VARBINARY(MAX)

Batch export SQL Server IMAGE / VARBINARY(MAX) to PDF files