Colour saturation issues when exporting to pdf

Hello,

I have been experiencing a reoccurring problem when working on InDesign CC. whenever I export files into pdf it seems like the saturation has been changed in the pdf version, to be higher. It is not file dependent and seems to effect all work I export to pdf.

Example: https://imgur.com/a/AiTpe5i

I usually work with big, multi pages graphic files and even though exporting the pages as png/jpg does improve the quality a bit, it is not ideal.

I have tried to change all of the relevant export settings but none seem to fix the problem at a high quality.  I have also tried all the different setting options under: colour setting>conversion options>intent. Difference was not noticeable.

I was wondering if someone here would know what's the source of the problem.

These are my export current settings:

Description

    Use these settings to create Adobe PDF documents for quality printing on desktop printers and proofers.  Created PDF documents can be opened with Acrobat and Adobe Reader 5.0 and later.

PDF Preset: [High Quality Print]

Compatibility: Acrobat 5 (PDF 1.4)

Standards Compliance: None

General

    Pages: All

    Spreads: Off

    View: Default

    Layout: Default

    Full Screen: Off

    Generate Thumbnails: Off

    Optimise PDF: On

    Create Acrobat Layers: N/A

    Export Layers: Visible and Printable Layers

    Include Bookmarks: Off

    Include Hyperlinks: Off

    Export Nonprinting Objects: Off

    Export Visible Guides and Baseline Grids: Off

    Create Tagged PDF: On

    Interactive Elements: Do Not Include

    &Create Separate PDF Files: Off

Compression

    Colour Images

        Bicubic Downsample at: 300 ppi

        for images above: 450 ppi

        Compression: Automatic

        Tile Size: N/A

        Quality: Maximum

    Greyscale Images

        Bicubic Downsample at: 300 ppi

        for images above: 450 ppi

        Compression: Automatic

        Tile Size: N/A

        Quality: Maximum

    Monochrome Images

        Bicubic Downsample at: 1200 ppi

        for images above: 1800 ppi

        Compression: CCITT Group 4

    Compress Text and Line Art: On

    Crop Image Data to Frames: On

Marks and Bleeds

    Crop Marks: Off

    Bleed Marks: Off

    Registration Marks: Off

    Colour Bars: Off

    Page Information: Off

    Page Mark Type: Default

    Weight: 0.25 pt

    Offset: 2.117 mm

    Use Document Bleed Settings: Off

    Bleed Top: 0 mm

    Bleed Bottom: 0 mm

    Bleed Inside: 0 mm

    Bleed Outside: 0 mm

    Include Slug Area: Off

Output

    Colour Conversion: No Colour Conversion

    Destination: N/A

    Profile Inclusion Policy: Include Tagged Source Profiles

    Simulate Overprint: N/A

    Output Intent Profile Name: N/A

    Output Condition: N/A

    Output Condition Identifier: N/A

    Registry Name: N/A

Advanced

    Subset Fonts Below: 100%

    Omit PDF: Off

    Omit EPS: Off

    Omit Bitmap Images: Off

    Transparency Flattener Preset: N/A

    Ignore Spread Overrides: N/A

    Display Title: File Name

    Language: English: UK

Security

    N/A

Warnings

    1) The preset specifies source profiles that don't match the current colour settings file. Profiles specified by the colour settings file will be used.

Thanks