HTACCESS rewrite rule not working on SiteGround

.htaccess

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

# don't rewrite anything in docs folder to wordpress
RewriteCond %{REQUEST_URI} !^/(docs/*) [NC]

RewriteRule . /index.php [L]

# rewrite docs
RewriteRule ^/docs/Resume-Andrew-Magill.pdf$ "/wp-content/uploads/2019/11/Resume-Andrew-Magill-191112.pdf" [L]
RewriteRule ^/docs/Cover-Letter-Andrew-Magill-Dropbox.pdf$ "/wp-content/uploads/2019/11/Cover-Letter-Andrew-Magill-Dropbox-191121.pdf" [L]

</IfModule>

Did you get a solution with this ? I'm having the same issue.

I tested it at my localhost with Apache and it works but not on Siteground.

My .htaccess is

# BEGIN WordPress
# The directives (lines) between "BEGIN WordPress" and "END WordPress" are
# dynamically generated, and should only be modified via WordPress filters.
# Any changes to the directives between these markers will be overwritten.
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]

# Protect .pdf file direct access
RewriteCond %{REQUEST_URI} \.(pdf)$ [NC]
RewriteCond %{REQUEST_FILENAME} -s
RewriteRule ^wp-content/uploads/(.*)$ pdf-auth.php?file=$1 [QSA,L]
</IfModule>

# END WordPress

Okay, I found out why .htaccess are not working
https://ronaldaug.medium.com/why-your-htaccess-rule-doesnt-work-on-siteground-hosting-d2a4fbb55ecb