No schematics in PDF for Grove - Gas Sensor V2 (Multichannel)

The page of Grove - Gas Sensor V2(Multichannel) displays the schematics and allows to download it, alas only in Altium format.

This means the schematics are not readable, unless paying for a rather expensive Altium licence. Altium does provide an on online viewer but requires an account to export the schematics as PDF.

Please ensure all the schematics are directly available in PDF format. Thank you!

Grove - Gas Sensor V2(Multichannel).rar (174.7 KB)
Thank you for your suggestion, we will seriously improve it.

Thank you for your prompt answer!