Others may not be able to share your Facebook post if you have set the privacy settings to restrict sharing. You can adjust the privacy settings of your post to allow others to share it by selecting the option "Public" or "Friends" instead of "Only me" or a specific custom list. Additionally, if the post is from a page or group that has restricted sharing permissions, then members or followers may not be able to share the post outside of that specific page or group. **

To share an Instagram post, you can simply tap on the paper airplane icon below the post and select "Share to..." to send it to specific friends or groups, or choose "Add post to your story" to share it on your own story. You can also copy the post's link and share it through direct messages, text, or other social media platforms. Additionally, you can save the post to your collection and share it later by accessing your saved posts. **

Yes, you can post videos from your gallery on Instagram. When you go to create a new post on Instagram, you can select a video from your phone's gallery to upload. You can then edit the video, add filters, captions, and hashtags before posting it on your Instagram feed or story. Just make sure the video meets Instagram's requirements for length and format. **

To upload a post on Instagram, open the Instagram app and tap the plus icon at the bottom of the screen. Then, select the photo or video you want to upload from your phone's gallery. You can then apply filters, add a caption, tag people, add a location, and choose whether to share the post on other social media platforms. Finally, tap "Share" to upload your post to your Instagram profile. **

To post pictures from the gallery on Snapchat, you can follow these steps: 1. Open the Snapchat app and go to the camera screen. 2. Swipe up from the bottom of the screen to access your camera roll or gallery. 3. Select the picture you want to post from your camera roll. 4. Once the picture is selected, you can edit it with filters, stickers, and text as you would with a regular snap. 5. After editing, you can choose to add it to your story, send it to a friend, or post it as a chat message. **

To share a Facebook post with text, you can click on the "Share" button below the post. A window will pop up where you can add your own text or comments before sharing the post on your timeline or with your friends. You can also click on the post and then click on the "Share Now" button to add your own text before sharing it. This allows you to personalize the post and provide context for your friends or followers. **

To share a Facebook post on WhatsApp, you can follow these steps: 1. Find the Facebook post that you want to share. 2. Click on the "Share" button below the post. 3. Select the option to "Share on WhatsApp" from the list of sharing options. 4. Choose the contact or group you want to share the post with on WhatsApp. 5. Add any additional message or comment if you'd like. 6. Click on the "Send" button to share the Facebook post on WhatsApp. Alternatively, you can copy the link to the Facebook post and paste it into a WhatsApp chat to share it with your contacts. **

To share a post publicly on Facebook, you can follow these steps: 1. Find the post you want to share on your News Feed or the profile of the person or page who originally posted it. 2. Click on the "Share" button located below the post. 3. A pop-up window will appear, giving you the option to add a comment to the post. Below the comment box, you can select the audience for your shared post. Choose "Public" to share the post with everyone on Facebook. 4. Once you have added a comment and selected the audience, click on the "Share Now" button to post it to your timeline. **